21553396

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 38522624

約数和(自身を除く): 16969228

約数列:

[1, 2, 4, 73, 146, 223, 292, 331, 446, 662, 892, 1324, 16279, 24163, 32558, 48326, 65116, 73813, 96652, 147626, 295252, 5388349, 10776698, 21553396]

約数ペア:

[(1, 21553396), (2, 10776698), (4, 5388349), (73, 295252), (146, 147626), (223, 96652), (292, 73813), (331, 65116), (446, 48326), (662, 32558), (892, 24163), (1324, 16279)]