21891098881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2609}}^1\times {\mathrm{10771}}^1$

素因数の和:13440

約数の個数: 16

約数和(自身を含む): 23616532800

約数和(自身を除く): 1725433919

約数列:

[1, 19, 41, 779, 2609, 10771, 49571, 106969, 204649, 441611, 2032411, 8390609, 28101539, 533929241, 1152163099, 21891098881]

約数ペア:

[(1, 21891098881), (19, 1152163099), (41, 533929241), (779, 28101539), (2609, 8390609), (10771, 2032411), (49571, 441611), (106969, 204649)]