21267250

素因数分解:

$2^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 40268592

約数和(自身を除く): 19001342

約数列:

[1, 2, 5, 10, 25, 50, 97, 125, 194, 250, 485, 877, 970, 1754, 2425, 4385, 4850, 8770, 12125, 21925, 24250, 43850, 85069, 109625, 170138, 219250, 425345, 850690, 2126725, 4253450, 10633625, 21267250]

約数ペア:

[(1, 21267250), (2, 10633625), (5, 4253450), (10, 2126725), (25, 850690), (50, 425345), (97, 219250), (125, 170138), (194, 109625), (250, 85069), (485, 43850), (877, 24250), (970, 21925), (1754, 12125), (2425, 8770), (4385, 4850)]