21051206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20359}}^1$

素因数の和:20419

約数の個数: 16

約数和(自身を含む): 35182080

約数和(自身を除く): 14130874

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20359, 40718, 223949, 447898, 956873, 1913746, 10525603, 21051206]

約数ペア:

[(1, 21051206), (2, 10525603), (11, 1913746), (22, 956873), (47, 447898), (94, 223949), (517, 40718), (1034, 20359)]