21820902

素因数分解:

$2^1\times 3^1\times {\mathrm{197}}^1\times {\mathrm{18461}}^1$

素因数の和:18663

約数の個数: 16

約数和(自身を含む): 43865712

約数和(自身を除く): 22044810

約数列:

[1, 2, 3, 6, 197, 394, 591, 1182, 18461, 36922, 55383, 110766, 3636817, 7273634, 10910451, 21820902]

約数ペア:

[(1, 21820902), (2, 10910451), (3, 7273634), (6, 3636817), (197, 110766), (394, 55383), (591, 36922), (1182, 18461)]