21872864

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52579}}^1$

素因数の和:52602

約数の個数: 24

約数和(自身を含む): 46375560

約数和(自身を除く): 24502696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52579, 105158, 210316, 420632, 683527, 841264, 1367054, 1682528, 2734108, 5468216, 10936432, 21872864]

約数ペア:

[(1, 21872864), (2, 10936432), (4, 5468216), (8, 2734108), (13, 1682528), (16, 1367054), (26, 841264), (32, 683527), (52, 420632), (104, 210316), (208, 105158), (416, 52579)]