21926056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{161221}}^1$

素因数の和:161244

約数の個数: 16

約数和(自身を含む): 43529940

約数和(自身を除く): 21603884

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 161221, 322442, 644884, 1289768, 2740757, 5481514, 10963028, 21926056]

約数ペア:

[(1, 21926056), (2, 10963028), (4, 5481514), (8, 2740757), (17, 1289768), (34, 644884), (68, 322442), (136, 161221)]