21351330

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 256

約数和(自身を含む): 77414400

約数和(自身を除く): 56063070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 27, 30, 33, 35, 39, 42, 45, 54, 55, 63, 65, 66, 70, 77, 78, 79, 90, 91, 99, 105, 110, 117, 126, 130, 135, 143, 154, 158, 165, 182, 189, 195, 198, 210, 231, 234, 237, 270, 273, 286, 297, 315, 330, 351, 378, 385, 390, 395, 429, 455, 462, 474, 495, 546, 553, 585, 594, 630, 693, 702, 711, 715, 770, 790, 819, 858, 869, 910, 945, 990, 1001, 1027, 1106, 1155, 1170, 1185, 1287, 1365, 1386, 1422, 1430, 1485, 1638, 1659, 1738, 1755, 1890, 2002, 2054, 2079, 2133, 2145, 2310, 2370, 2457, 2574, 2607, 2730, 2765, 2970, 3003, 3081, 3318, 3465, 3510, 3555, 3861, 4095, 4158, 4266, 4290, 4345, 4914, 4977, 5005, 5135, 5214, 5530, 6006, 6083, 6162, 6435, 6930, 7110, 7189, 7722, 7821, 8190, 8295, 8690, 9009, 9243, 9954, 10010, 10270, 10395, 10665, 11297, 12166, 12285, 12870, 13035, 14378, 14931, 15015, 15405, 15642, 16590, 18018, 18249, 18486, 19305, 20790, 21330, 21567, 22594, 23463, 24570, 24885, 26070, 27027, 27729, 29862, 30030, 30415, 30810, 33891, 35945, 36498, 38610, 39105, 43134, 45045, 46215, 46926, 49770, 54054, 54747, 55458, 56485, 60830, 64701, 67782, 71890, 74655, 78210, 79079, 90090, 91245, 92430, 101673, 107835, 109494, 112970, 117315, 129402, 135135, 138645, 149310, 158158, 164241, 169455, 182490, 194103, 203346, 215670, 234630, 237237, 270270, 273735, 277290, 305019, 323505, 328482, 338910, 388206, 395395, 474474, 508365, 547470, 610038, 647010, 711711, 790790, 821205, 970515, 1016730, 1186185, 1423422, 1525095, 1642410, 1941030, 2135133, 2372370, 3050190, 3558555, 4270266, 7117110, 10675665, 21351330]

約数ペア:

[(1, 21351330), (2, 10675665), (3, 7117110), (5, 4270266), (6, 3558555), (7, 3050190), (9, 2372370), (10, 2135133), (11, 1941030), (13, 1642410), (14, 1525095), (15, 1423422), (18, 1186185), (21, 1016730), (22, 970515), (26, 821205), (27, 790790), (30, 711711), (33, 647010), (35, 610038), (39, 547470), (42, 508365), (45, 474474), (54, 395395), (55, 388206), (63, 338910), (65, 328482), (66, 323505), (70, 305019), (77, 277290), (78, 273735), (79, 270270), (90, 237237), (91, 234630), (99, 215670), (105, 203346), (110, 194103), (117, 182490), (126, 169455), (130, 164241), (135, 158158), (143, 149310), (154, 138645), (158, 135135), (165, 129402), (182, 117315), (189, 112970), (195, 109494), (198, 107835), (210, 101673), (231, 92430), (234, 91245), (237, 90090), (270, 79079), (273, 78210), (286, 74655), (297, 71890), (315, 67782), (330, 64701), (351, 60830), (378, 56485), (385, 55458), (390, 54747), (395, 54054), (429, 49770), (455, 46926), (462, 46215), (474, 45045), (495, 43134), (546, 39105), (553, 38610), (585, 36498), (594, 35945), (630, 33891), (693, 30810), (702, 30415), (711, 30030), (715, 29862), (770, 27729), (790, 27027), (819, 26070), (858, 24885), (869, 24570), (910, 23463), (945, 22594), (990, 21567), (1001, 21330), (1027, 20790), (1106, 19305), (1155, 18486), (1170, 18249), (1185, 18018), (1287, 16590), (1365, 15642), (1386, 15405), (1422, 15015), (1430, 14931), (1485, 14378), (1638, 13035), (1659, 12870), (1738, 12285), (1755, 12166), (1890, 11297), (2002, 10665), (2054, 10395), (2079, 10270), (2133, 10010), (2145, 9954), (2310, 9243), (2370, 9009), (2457, 8690), (2574, 8295), (2607, 8190), (2730, 7821), (2765, 7722), (2970, 7189), (3003, 7110), (3081, 6930), (3318, 6435), (3465, 6162), (3510, 6083), (3555, 6006), (3861, 5530), (4095, 5214), (4158, 5135), (4266, 5005), (4290, 4977), (4345, 4914)]