21568691336

素因数分解:

$2^3\times {\mathrm{881}}^1\times {\mathrm{3060257}}^1$

素因数の和:3061144

約数の個数: 16

約数和(自身を含む): 40487213340

約数和(自身を除く): 18918522004

約数列:

[1, 2, 4, 8, 881, 1762, 3524, 7048, 3060257, 6120514, 12241028, 24482056, 2696086417, 5392172834, 10784345668, 21568691336]

約数ペア:

[(1, 21568691336), (2, 10784345668), (4, 5392172834), (8, 2696086417), (881, 24482056), (1762, 12241028), (3524, 6120514), (7048, 3060257)]