21618364

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 38683008

約数和(自身を除く): 17064644

約数列:

[1, 2, 4, 71, 142, 163, 284, 326, 467, 652, 934, 1868, 11573, 23146, 33157, 46292, 66314, 76121, 132628, 152242, 304484, 5404591, 10809182, 21618364]

約数ペア:

[(1, 21618364), (2, 10809182), (4, 5404591), (71, 304484), (142, 152242), (163, 132628), (284, 76121), (326, 66314), (467, 46292), (652, 33157), (934, 23146), (1868, 11573)]