21884543

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 23427072

約数和(自身を除く): 1542529

約数列:

[1, 31, 61, 71, 163, 1891, 2201, 4331, 5053, 9943, 11573, 134261, 308233, 358763, 705953, 21884543]

約数ペア:

[(1, 21884543), (31, 705953), (61, 358763), (71, 308233), (163, 134261), (1891, 11573), (2201, 9943), (4331, 5053)]