21417548

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 38187072

約数和(自身を除く): 16769524

約数列:

[1, 2, 4, 107, 163, 214, 307, 326, 428, 614, 652, 1228, 17441, 32849, 34882, 50041, 65698, 69764, 100082, 131396, 200164, 5354387, 10708774, 21417548]

約数ペア:

[(1, 21417548), (2, 10708774), (4, 5354387), (107, 200164), (163, 131396), (214, 100082), (307, 69764), (326, 65698), (428, 50041), (614, 34882), (652, 32849), (1228, 17441)]