21528453

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 29209536

約数和(自身を除く): 7681083

約数列:

[1, 3, 101, 227, 303, 313, 681, 939, 22927, 31613, 68781, 71051, 94839, 213153, 7176151, 21528453]

約数ペア:

[(1, 21528453), (3, 7176151), (101, 213153), (227, 94839), (303, 71051), (313, 68781), (681, 31613), (939, 22927)]