21330540

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 336

約数和(自身を含む): 88139520

約数和(自身を除く): 66808980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 27, 28, 30, 33, 35, 36, 38, 42, 44, 45, 54, 55, 57, 60, 63, 66, 70, 76, 77, 81, 84, 90, 95, 99, 105, 108, 110, 114, 126, 132, 133, 135, 140, 154, 162, 165, 171, 180, 189, 190, 198, 209, 210, 220, 228, 231, 243, 252, 266, 270, 285, 297, 308, 315, 324, 330, 342, 378, 380, 385, 396, 399, 405, 418, 420, 462, 486, 495, 513, 532, 540, 567, 570, 594, 627, 630, 660, 665, 684, 693, 729, 756, 770, 798, 810, 836, 855, 891, 924, 945, 972, 990, 1026, 1045, 1134, 1140, 1155, 1188, 1197, 1215, 1254, 1260, 1330, 1386, 1458, 1463, 1485, 1539, 1540, 1596, 1620, 1701, 1710, 1782, 1881, 1890, 1980, 1995, 2052, 2079, 2090, 2268, 2310, 2394, 2430, 2508, 2565, 2660, 2673, 2772, 2835, 2916, 2926, 2970, 3078, 3135, 3402, 3420, 3465, 3564, 3591, 3645, 3762, 3780, 3990, 4158, 4180, 4389, 4455, 4617, 4620, 4788, 4860, 5103, 5130, 5346, 5643, 5670, 5852, 5940, 5985, 6156, 6237, 6270, 6804, 6930, 7182, 7290, 7315, 7524, 7695, 7980, 8019, 8316, 8505, 8778, 8910, 9234, 9405, 10206, 10260, 10395, 10692, 10773, 11286, 11340, 11970, 12474, 12540, 13167, 13365, 13851, 13860, 14364, 14580, 14630, 15390, 16038, 16929, 17010, 17556, 17820, 17955, 18468, 18711, 18810, 20412, 20790, 21546, 21945, 22572, 23085, 23940, 24948, 25515, 26334, 26730, 27702, 28215, 29260, 30780, 31185, 32076, 32319, 33858, 34020, 35910, 37422, 37620, 39501, 40095, 41580, 43092, 43890, 46170, 50787, 51030, 52668, 53460, 53865, 55404, 56133, 56430, 62370, 64638, 65835, 67716, 69255, 71820, 74844, 79002, 80190, 84645, 87780, 92340, 93555, 96957, 101574, 102060, 107730, 112266, 112860, 118503, 124740, 129276, 131670, 138510, 152361, 158004, 160380, 161595, 169290, 187110, 193914, 197505, 203148, 215460, 224532, 237006, 253935, 263340, 277020, 280665, 304722, 323190, 338580, 355509, 374220, 387828, 395010, 474012, 484785, 507870, 561330, 592515, 609444, 646380, 711018, 761805, 790020, 969570, 1015740, 1066527, 1122660, 1185030, 1422036, 1523610, 1777545, 1939140, 2133054, 2370060, 3047220, 3555090, 4266108, 5332635, 7110180, 10665270, 21330540]

約数ペア:

[(1, 21330540), (2, 10665270), (3, 7110180), (4, 5332635), (5, 4266108), (6, 3555090), (7, 3047220), (9, 2370060), (10, 2133054), (11, 1939140), (12, 1777545), (14, 1523610), (15, 1422036), (18, 1185030), (19, 1122660), (20, 1066527), (21, 1015740), (22, 969570), (27, 790020), (28, 761805), (30, 711018), (33, 646380), (35, 609444), (36, 592515), (38, 561330), (42, 507870), (44, 484785), (45, 474012), (54, 395010), (55, 387828), (57, 374220), (60, 355509), (63, 338580), (66, 323190), (70, 304722), (76, 280665), (77, 277020), (81, 263340), (84, 253935), (90, 237006), (95, 224532), (99, 215460), (105, 203148), (108, 197505), (110, 193914), (114, 187110), (126, 169290), (132, 161595), (133, 160380), (135, 158004), (140, 152361), (154, 138510), (162, 131670), (165, 129276), (171, 124740), (180, 118503), (189, 112860), (190, 112266), (198, 107730), (209, 102060), (210, 101574), (220, 96957), (228, 93555), (231, 92340), (243, 87780), (252, 84645), (266, 80190), (270, 79002), (285, 74844), (297, 71820), (308, 69255), (315, 67716), (324, 65835), (330, 64638), (342, 62370), (378, 56430), (380, 56133), (385, 55404), (396, 53865), (399, 53460), (405, 52668), (418, 51030), (420, 50787), (462, 46170), (486, 43890), (495, 43092), (513, 41580), (532, 40095), (540, 39501), (567, 37620), (570, 37422), (594, 35910), (627, 34020), (630, 33858), (660, 32319), (665, 32076), (684, 31185), (693, 30780), (729, 29260), (756, 28215), (770, 27702), (798, 26730), (810, 26334), (836, 25515), (855, 24948), (891, 23940), (924, 23085), (945, 22572), (972, 21945), (990, 21546), (1026, 20790), (1045, 20412), (1134, 18810), (1140, 18711), (1155, 18468), (1188, 17955), (1197, 17820), (1215, 17556), (1254, 17010), (1260, 16929), (1330, 16038), (1386, 15390), (1458, 14630), (1463, 14580), (1485, 14364), (1539, 13860), (1540, 13851), (1596, 13365), (1620, 13167), (1701, 12540), (1710, 12474), (1782, 11970), (1881, 11340), (1890, 11286), (1980, 10773), (1995, 10692), (2052, 10395), (2079, 10260), (2090, 10206), (2268, 9405), (2310, 9234), (2394, 8910), (2430, 8778), (2508, 8505), (2565, 8316), (2660, 8019), (2673, 7980), (2772, 7695), (2835, 7524), (2916, 7315), (2926, 7290), (2970, 7182), (3078, 6930), (3135, 6804), (3402, 6270), (3420, 6237), (3465, 6156), (3564, 5985), (3591, 5940), (3645, 5852), (3762, 5670), (3780, 5643), (3990, 5346), (4158, 5130), (4180, 5103), (4389, 4860), (4455, 4788), (4617, 4620)]