21089969135

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{41521}}^1$

素因数の和:41699

約数の個数: 32

約数和(自身を含む): 27265006080

約数和(自身を除く): 6175036945

約数列:

[1, 5, 29, 31, 113, 145, 155, 565, 899, 3277, 3503, 4495, 16385, 17515, 41521, 101587, 207605, 507935, 1204109, 1287151, 4691873, 6020545, 6435755, 23459365, 37327379, 136064317, 145448063, 186636895, 680321585, 727240315, 4217993827, 21089969135]

約数ペア:

[(1, 21089969135), (5, 4217993827), (29, 727240315), (31, 680321585), (113, 186636895), (145, 145448063), (155, 136064317), (565, 37327379), (899, 23459365), (3277, 6435755), (3503, 6020545), (4495, 4691873), (16385, 1287151), (17515, 1204109), (41521, 507935), (101587, 207605)]