21896478

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{39241}}^1$

素因数の和:39280

約数の個数: 24

約数和(自身を含む): 48974016

約数和(自身を除く): 27077538

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 39241, 78482, 117723, 235446, 353169, 706338, 1216471, 2432942, 3649413, 7298826, 10948239, 21896478]

約数ペア:

[(1, 21896478), (2, 10948239), (3, 7298826), (6, 3649413), (9, 2432942), (18, 1216471), (31, 706338), (62, 353169), (93, 235446), (186, 117723), (279, 78482), (558, 39241)]