21346472

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4283}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 46267200

約数和(自身を除く): 24920728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4283, 4984, 8566, 17132, 29981, 34264, 59962, 119924, 239848, 381187, 762374, 1524748, 2668309, 3049496, 5336618, 10673236, 21346472]

約数ペア:

[(1, 21346472), (2, 10673236), (4, 5336618), (7, 3049496), (8, 2668309), (14, 1524748), (28, 762374), (56, 381187), (89, 239848), (178, 119924), (356, 59962), (623, 34264), (712, 29981), (1246, 17132), (2492, 8566), (4283, 4984)]