21000369688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154414483}}^1$

素因数の和:154414506

約数の個数: 16

約数和(自身を含む): 41691910680

約数和(自身を除く): 20691540992

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154414483, 308828966, 617657932, 1235315864, 2625046211, 5250092422, 10500184844, 21000369688]

約数ペア:

[(1, 21000369688), (2, 10500184844), (4, 5250092422), (8, 2625046211), (17, 1235315864), (34, 617657932), (68, 308828966), (136, 154414483)]