21000902536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154418401}}^1$

素因数の和:154418424

約数の個数: 16

約数和(自身を含む): 41692968540

約数和(自身を除く): 20692066004

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154418401, 308836802, 617673604, 1235347208, 2625112817, 5250225634, 10500451268, 21000902536]

約数ペア:

[(1, 21000902536), (2, 10500451268), (4, 5250225634), (8, 2625112817), (17, 1235347208), (34, 617673604), (68, 308836802), (136, 154418401)]