21413736112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{78726971}}^1$

素因数の和:78726996

約数の個数: 20

約数和(自身を含む): 43929650376

約数和(自身を除く): 22515914264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 78726971, 157453942, 314907884, 629815768, 1259631536, 1338358507, 2676717014, 5353434028, 10706868056, 21413736112]

約数ペア:

[(1, 21413736112), (2, 10706868056), (4, 5353434028), (8, 2676717014), (16, 1338358507), (17, 1259631536), (34, 629815768), (68, 314907884), (136, 157453942), (272, 78726971)]