21339630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 63719136

約数和(自身を除く): 42379506

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 39, 45, 46, 61, 65, 69, 78, 90, 115, 117, 122, 130, 138, 169, 183, 195, 207, 230, 234, 299, 305, 338, 345, 366, 390, 414, 507, 549, 585, 598, 610, 690, 793, 845, 897, 915, 1014, 1035, 1098, 1170, 1403, 1495, 1521, 1586, 1690, 1794, 1830, 2070, 2379, 2535, 2691, 2745, 2806, 2990, 3042, 3887, 3965, 4209, 4485, 4758, 5070, 5382, 5490, 7015, 7137, 7605, 7774, 7930, 8418, 8970, 10309, 11661, 11895, 12627, 13455, 14030, 14274, 15210, 18239, 19435, 20618, 21045, 23322, 23790, 25254, 26910, 30927, 34983, 35685, 36478, 38870, 42090, 51545, 54717, 58305, 61854, 63135, 69966, 71370, 91195, 92781, 103090, 109434, 116610, 126270, 154635, 164151, 174915, 182390, 185562, 237107, 273585, 309270, 328302, 349830, 463905, 474214, 547170, 711321, 820755, 927810, 1185535, 1422642, 1641510, 2133963, 2371070, 3556605, 4267926, 7113210, 10669815, 21339630]

約数ペア:

[(1, 21339630), (2, 10669815), (3, 7113210), (5, 4267926), (6, 3556605), (9, 2371070), (10, 2133963), (13, 1641510), (15, 1422642), (18, 1185535), (23, 927810), (26, 820755), (30, 711321), (39, 547170), (45, 474214), (46, 463905), (61, 349830), (65, 328302), (69, 309270), (78, 273585), (90, 237107), (115, 185562), (117, 182390), (122, 174915), (130, 164151), (138, 154635), (169, 126270), (183, 116610), (195, 109434), (207, 103090), (230, 92781), (234, 91195), (299, 71370), (305, 69966), (338, 63135), (345, 61854), (366, 58305), (390, 54717), (414, 51545), (507, 42090), (549, 38870), (585, 36478), (598, 35685), (610, 34983), (690, 30927), (793, 26910), (845, 25254), (897, 23790), (915, 23322), (1014, 21045), (1035, 20618), (1098, 19435), (1170, 18239), (1403, 15210), (1495, 14274), (1521, 14030), (1586, 13455), (1690, 12627), (1794, 11895), (1830, 11661), (2070, 10309), (2379, 8970), (2535, 8418), (2691, 7930), (2745, 7774), (2806, 7605), (2990, 7137), (3042, 7015), (3887, 5490), (3965, 5382), (4209, 5070), (4485, 4758)]