21045822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 30172098

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 37, 42, 58, 74, 87, 111, 174, 203, 222, 259, 406, 467, 518, 609, 777, 934, 1073, 1218, 1401, 1554, 2146, 2802, 3219, 3269, 6438, 6538, 7511, 9807, 13543, 15022, 17279, 19614, 22533, 27086, 34558, 40629, 45066, 51837, 81258, 94801, 103674, 120953, 189602, 241906, 284403, 362859, 501091, 568806, 725718, 1002182, 1503273, 3006546, 3507637, 7015274, 10522911, 21045822]

約数ペア:

[(1, 21045822), (2, 10522911), (3, 7015274), (6, 3507637), (7, 3006546), (14, 1503273), (21, 1002182), (29, 725718), (37, 568806), (42, 501091), (58, 362859), (74, 284403), (87, 241906), (111, 189602), (174, 120953), (203, 103674), (222, 94801), (259, 81258), (406, 51837), (467, 45066), (518, 40629), (609, 34558), (777, 27086), (934, 22533), (1073, 19614), (1218, 17279), (1401, 15022), (1554, 13543), (2146, 9807), (2802, 7511), (3219, 6538), (3269, 6438)]