21603212

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 38698800

約数和(自身を除く): 17095588

約数列:

[1, 2, 4, 67, 134, 149, 268, 298, 541, 596, 1082, 2164, 9983, 19966, 36247, 39932, 72494, 80609, 144988, 161218, 322436, 5400803, 10801606, 21603212]

約数ペア:

[(1, 21603212), (2, 10801606), (4, 5400803), (67, 322436), (134, 161218), (149, 144988), (268, 80609), (298, 72494), (541, 39932), (596, 36247), (1082, 19966), (2164, 9983)]