21369886

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 32899680

約数和(自身を除く): 11529794

約数列:

[1, 2, 61, 109, 122, 218, 1607, 3214, 6649, 13298, 98027, 175163, 196054, 350326, 10684943, 21369886]

約数ペア:

[(1, 21369886), (2, 10684943), (61, 350326), (109, 196054), (122, 175163), (218, 98027), (1607, 13298), (3214, 6649)]