21564307921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1\times {\mathrm{52313}}^1$

素因数の和:53220

約数の個数: 16

約数和(自身を含む): 23879039184

約数和(自身を除く): 2314731263

約数列:

[1, 13, 37, 481, 857, 11141, 31709, 52313, 412217, 680069, 1935581, 25162553, 44832241, 582819133, 1658792917, 21564307921]

約数ペア:

[(1, 21564307921), (13, 1658792917), (37, 582819133), (481, 44832241), (857, 25162553), (11141, 1935581), (31709, 680069), (52313, 412217)]