21228122

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1165

約数の個数: 16

約数和(自身を含む): 32569344

約数和(自身を除く): 11341222

約数列:

[1, 2, 61, 122, 191, 382, 911, 1822, 11651, 23302, 55571, 111142, 174001, 348002, 10614061, 21228122]

約数ペア:

[(1, 21228122), (2, 10614061), (61, 348002), (122, 174001), (191, 111142), (382, 55571), (911, 23302), (1822, 11651)]