21871306

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5783}}^1$

素因数の和:5877

約数の個数: 16

約数和(自身を含む): 34426368

約数和(自身を除く): 12555062

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 5783, 11566, 179273, 352763, 358546, 705526, 10935653, 21871306]

約数ペア:

[(1, 21871306), (2, 10935653), (31, 705526), (61, 358546), (62, 352763), (122, 179273), (1891, 11566), (3782, 5783)]