21860641

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 24678720

約数和(自身を除く): 2818079

約数列:

[1, 11, 43, 113, 409, 473, 1243, 4499, 4859, 17587, 46217, 53449, 193457, 508387, 1987331, 21860641]

約数ペア:

[(1, 21860641), (11, 1987331), (43, 508387), (113, 193457), (409, 53449), (473, 46217), (1243, 17587), (4499, 4859)]