21354508

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11383}}^1$

素因数の和:11461

約数の個数: 24

約数和(自身を含む): 43350272

約数和(自身を除く): 21995764

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11383, 22766, 45532, 79681, 159362, 318724, 762661, 1525322, 3050644, 5338627, 10677254, 21354508]

約数ペア:

[(1, 21354508), (2, 10677254), (4, 5338627), (7, 3050644), (14, 1525322), (28, 762661), (67, 318724), (134, 159362), (268, 79681), (469, 45532), (938, 22766), (1876, 11383)]