21416044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{11131}}^1$

素因数の和:11185

約数の個数: 24

約数和(自身を含む): 41455568

約数和(自身を除く): 20039524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 11131, 22262, 44524, 144703, 289406, 411847, 578812, 823694, 1647388, 5354011, 10708022, 21416044]

約数ペア:

[(1, 21416044), (2, 10708022), (4, 5354011), (13, 1647388), (26, 823694), (37, 578812), (52, 411847), (74, 289406), (148, 144703), (481, 44524), (962, 22262), (1924, 11131)]