21624261

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 31235904

約数和(自身を除く): 9611643

約数列:

[1, 3, 19, 41, 57, 123, 361, 487, 779, 1083, 1461, 2337, 9253, 14801, 19967, 27759, 44403, 59901, 175807, 379373, 527421, 1138119, 7208087, 21624261]

約数ペア:

[(1, 21624261), (3, 7208087), (19, 1138119), (41, 527421), (57, 379373), (123, 175807), (361, 59901), (487, 44403), (779, 27759), (1083, 19967), (1461, 14801), (2337, 9253)]