21307552064

素因数分解:

$2^6\times {\mathrm{1277}}^1\times {\mathrm{260713}}^1$

素因数の和:262002

約数の個数: 28

約数和(自身を含む): 42315446484

約数和(自身を除く): 21007894420

約数列:

[1, 2, 4, 8, 16, 32, 64, 1277, 2554, 5108, 10216, 20432, 40864, 81728, 260713, 521426, 1042852, 2085704, 4171408, 8342816, 16685632, 332930501, 665861002, 1331722004, 2663444008, 5326888016, 10653776032, 21307552064]

約数ペア:

[(1, 21307552064), (2, 10653776032), (4, 5326888016), (8, 2663444008), (16, 1331722004), (32, 665861002), (64, 332930501), (1277, 16685632), (2554, 8342816), (5108, 4171408), (10216, 2085704), (20432, 1042852), (40864, 521426), (81728, 260713)]