21805088973

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{627611}}^1$

素因数の和:627964

約数の個数: 16

約数和(自身を含む): 29954665536

約数和(自身を除く): 8149576563

約数列:

[1, 3, 37, 111, 313, 939, 11581, 34743, 627611, 1882833, 23221607, 69664821, 196442243, 589326729, 7268362991, 21805088973]

約数ペア:

[(1, 21805088973), (3, 7268362991), (37, 589326729), (111, 196442243), (313, 69664821), (939, 23221607), (11581, 1882833), (34743, 627611)]