21567949921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1\times {\mathrm{54037}}^1$

素因数の和:57064

約数の個数: 16

約数和(自身を含む): 25955532160

約数和(自身を除く): 4387582239

約数列:

[1, 7, 19, 133, 3001, 21007, 54037, 57019, 378259, 399133, 1026703, 7186921, 162165037, 1135155259, 3081135703, 21567949921]

約数ペア:

[(1, 21567949921), (7, 3081135703), (19, 1135155259), (133, 162165037), (3001, 7186921), (21007, 1026703), (54037, 399133), (57019, 378259)]