21354032

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5153}}^1$

素因数の和:5205

約数の個数: 40

約数和(自身を含む): 48571296

約数和(自身を除く): 27217264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5153, 10306, 20612, 36071, 41224, 72142, 82448, 144284, 190661, 288568, 381322, 577136, 762644, 1334627, 1525288, 2669254, 3050576, 5338508, 10677016, 21354032]

約数ペア:

[(1, 21354032), (2, 10677016), (4, 5338508), (7, 3050576), (8, 2669254), (14, 1525288), (16, 1334627), (28, 762644), (37, 577136), (56, 381322), (74, 288568), (112, 190661), (148, 144284), (259, 82448), (296, 72142), (518, 41224), (592, 36071), (1036, 20612), (2072, 10306), (4144, 5153)]