21197932

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5081}}^1$

素因数の和:5241

約数の個数: 24

約数和(自身を含む): 42688800

約数和(自身を除く): 21490868

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 5081, 10162, 20324, 35567, 71134, 142268, 757069, 1514138, 3028276, 5299483, 10598966, 21197932]

約数ペア:

[(1, 21197932), (2, 10598966), (4, 5299483), (7, 3028276), (14, 1514138), (28, 757069), (149, 142268), (298, 71134), (596, 35567), (1043, 20324), (2086, 10162), (4172, 5081)]