21175248

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11923}}^1$

素因数の和:11971

約数の個数: 40

約数和(自身を含む): 56185888

約数和(自身を除く): 35010640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11923, 23846, 35769, 47692, 71538, 95384, 143076, 190768, 286152, 441151, 572304, 882302, 1323453, 1764604, 2646906, 3529208, 5293812, 7058416, 10587624, 21175248]

約数ペア:

[(1, 21175248), (2, 10587624), (3, 7058416), (4, 5293812), (6, 3529208), (8, 2646906), (12, 1764604), (16, 1323453), (24, 882302), (37, 572304), (48, 441151), (74, 286152), (111, 190768), (148, 143076), (222, 95384), (296, 71538), (444, 47692), (592, 35769), (888, 23846), (1776, 11923)]