21738680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23629}}^1$

素因数の和:23663

約数の個数: 32

約数和(自身を含む): 51040800

約数和(自身を除く): 29302120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23629, 47258, 94516, 118145, 189032, 236290, 472580, 543467, 945160, 1086934, 2173868, 2717335, 4347736, 5434670, 10869340, 21738680]

約数ペア:

[(1, 21738680), (2, 10869340), (4, 5434670), (5, 4347736), (8, 2717335), (10, 2173868), (20, 1086934), (23, 945160), (40, 543467), (46, 472580), (92, 236290), (115, 189032), (184, 118145), (230, 94516), (460, 47258), (920, 23629)]