21203752

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 41345280

約数和(自身を除く): 20141528

約数列:

[1, 2, 4, 8, 31, 62, 124, 193, 248, 386, 443, 772, 886, 1544, 1772, 3544, 5983, 11966, 13733, 23932, 27466, 47864, 54932, 85499, 109864, 170998, 341996, 683992, 2650469, 5300938, 10601876, 21203752]

約数ペア:

[(1, 21203752), (2, 10601876), (4, 5300938), (8, 2650469), (31, 683992), (62, 341996), (124, 170998), (193, 109864), (248, 85499), (386, 54932), (443, 47864), (772, 27466), (886, 23932), (1544, 13733), (1772, 11966), (3544, 5983)]