21114080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10151}}^1$

素因数の和:10179

約数の個数: 48

約数和(自身を含む): 53724384

約数和(自身を除く): 32610304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10151, 20302, 40604, 50755, 81208, 101510, 131963, 162416, 203020, 263926, 324832, 406040, 527852, 659815, 812080, 1055704, 1319630, 1624160, 2111408, 2639260, 4222816, 5278520, 10557040, 21114080]

約数ペア:

[(1, 21114080), (2, 10557040), (4, 5278520), (5, 4222816), (8, 2639260), (10, 2111408), (13, 1624160), (16, 1319630), (20, 1055704), (26, 812080), (32, 659815), (40, 527852), (52, 406040), (65, 324832), (80, 263926), (104, 203020), (130, 162416), (160, 131963), (208, 101510), (260, 81208), (416, 50755), (520, 40604), (1040, 20302), (2080, 10151)]