21224928289

素因数分解:

${\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1\times {\mathrm{1973}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 21545846784

約数和(自身を除く): 320918495

約数列:

[1, 151, 191, 373, 1973, 28841, 56323, 71243, 297923, 376843, 735929, 10757693, 56903293, 111125279, 140562439, 21224928289]

約数ペア:

[(1, 21224928289), (151, 140562439), (191, 111125279), (373, 56903293), (1973, 10757693), (28841, 735929), (56323, 376843), (71243, 297923)]