21201674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19889}}^1$

素因数の和:19945

約数の個数: 16

約数和(自身を含む): 35085960

約数和(自身を除く): 13884286

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19889, 39778, 258557, 517114, 815449, 1630898, 10600837, 21201674]

約数ペア:

[(1, 21201674), (2, 10600837), (13, 1630898), (26, 815449), (41, 517114), (82, 258557), (533, 39778), (1066, 19889)]