21725550

素因数分解:

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

素因数の和:69

約数の個数: 288

約数和(自身を含む): 79161600

約数和(自身を除く): 57436050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 25, 27, 30, 33, 35, 38, 42, 45, 50, 54, 55, 57, 63, 66, 70, 75, 77, 90, 95, 99, 105, 110, 114, 121, 126, 133, 135, 150, 154, 165, 171, 175, 189, 190, 198, 209, 210, 225, 231, 242, 266, 270, 275, 285, 297, 315, 330, 342, 350, 363, 378, 385, 399, 418, 450, 462, 475, 495, 513, 525, 550, 570, 594, 605, 627, 630, 665, 675, 693, 726, 770, 798, 825, 847, 855, 945, 950, 990, 1026, 1045, 1050, 1089, 1155, 1197, 1210, 1254, 1330, 1350, 1386, 1425, 1463, 1485, 1575, 1650, 1694, 1710, 1815, 1881, 1890, 1925, 1995, 2079, 2090, 2178, 2299, 2310, 2394, 2475, 2541, 2565, 2850, 2926, 2970, 3025, 3135, 3150, 3267, 3325, 3465, 3591, 3630, 3762, 3850, 3990, 4158, 4235, 4275, 4389, 4598, 4725, 4950, 5082, 5130, 5225, 5445, 5643, 5775, 5985, 6050, 6270, 6534, 6650, 6897, 6930, 7182, 7315, 7425, 7623, 8470, 8550, 8778, 9075, 9405, 9450, 9975, 10395, 10450, 10890, 11286, 11495, 11550, 11970, 12705, 12825, 13167, 13794, 14630, 14850, 15246, 15675, 16093, 16335, 17325, 17955, 18150, 18810, 19950, 20691, 20790, 21175, 21945, 22869, 22990, 25410, 25650, 26334, 27225, 28215, 29925, 31350, 32186, 32670, 34485, 34650, 35910, 36575, 38115, 39501, 41382, 42350, 43890, 45738, 47025, 48279, 51975, 54450, 56430, 57475, 59850, 62073, 63525, 65835, 68970, 73150, 76230, 79002, 80465, 81675, 89775, 94050, 96558, 103455, 103950, 109725, 114345, 114950, 124146, 127050, 131670, 141075, 144837, 160930, 163350, 172425, 179550, 190575, 197505, 206910, 219450, 228690, 241395, 282150, 289674, 310365, 329175, 344850, 381150, 395010, 402325, 434511, 482790, 517275, 571725, 620730, 658350, 724185, 804650, 869022, 987525, 1034550, 1143450, 1206975, 1448370, 1551825, 1975050, 2172555, 2413950, 3103650, 3620925, 4345110, 7241850, 10862775, 21725550]

約数ペア:

[(1, 21725550), (2, 10862775), (3, 7241850), (5, 4345110), (6, 3620925), (7, 3103650), (9, 2413950), (10, 2172555), (11, 1975050), (14, 1551825), (15, 1448370), (18, 1206975), (19, 1143450), (21, 1034550), (22, 987525), (25, 869022), (27, 804650), (30, 724185), (33, 658350), (35, 620730), (38, 571725), (42, 517275), (45, 482790), (50, 434511), (54, 402325), (55, 395010), (57, 381150), (63, 344850), (66, 329175), (70, 310365), (75, 289674), (77, 282150), (90, 241395), (95, 228690), (99, 219450), (105, 206910), (110, 197505), (114, 190575), (121, 179550), (126, 172425), (133, 163350), (135, 160930), (150, 144837), (154, 141075), (165, 131670), (171, 127050), (175, 124146), (189, 114950), (190, 114345), (198, 109725), (209, 103950), (210, 103455), (225, 96558), (231, 94050), (242, 89775), (266, 81675), (270, 80465), (275, 79002), (285, 76230), (297, 73150), (315, 68970), (330, 65835), (342, 63525), (350, 62073), (363, 59850), (378, 57475), (385, 56430), (399, 54450), (418, 51975), (450, 48279), (462, 47025), (475, 45738), (495, 43890), (513, 42350), (525, 41382), (550, 39501), (570, 38115), (594, 36575), (605, 35910), (627, 34650), (630, 34485), (665, 32670), (675, 32186), (693, 31350), (726, 29925), (770, 28215), (798, 27225), (825, 26334), (847, 25650), (855, 25410), (945, 22990), (950, 22869), (990, 21945), (1026, 21175), (1045, 20790), (1050, 20691), (1089, 19950), (1155, 18810), (1197, 18150), (1210, 17955), (1254, 17325), (1330, 16335), (1350, 16093), (1386, 15675), (1425, 15246), (1463, 14850), (1485, 14630), (1575, 13794), (1650, 13167), (1694, 12825), (1710, 12705), (1815, 11970), (1881, 11550), (1890, 11495), (1925, 11286), (1995, 10890), (2079, 10450), (2090, 10395), (2178, 9975), (2299, 9450), (2310, 9405), (2394, 9075), (2475, 8778), (2541, 8550), (2565, 8470), (2850, 7623), (2926, 7425), (2970, 7315), (3025, 7182), (3135, 6930), (3150, 6897), (3267, 6650), (3325, 6534), (3465, 6270), (3591, 6050), (3630, 5985), (3762, 5775), (3850, 5643), (3990, 5445), (4158, 5225), (4235, 5130), (4275, 5082), (4389, 4950), (4598, 4725)]