21260944

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45821}}^1$

素因数の和:45858

約数の個数: 20

約数和(自身を含む): 42614460

約数和(自身を除く): 21353516

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45821, 91642, 183284, 366568, 733136, 1328809, 2657618, 5315236, 10630472, 21260944]

約数ペア:

[(1, 21260944), (2, 10630472), (4, 5315236), (8, 2657618), (16, 1328809), (29, 733136), (58, 366568), (116, 183284), (232, 91642), (464, 45821)]