21829765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3767}}^1$

素因数の和:3852

約数の個数: 16

約数和(自身を含む): 28033920

約数和(自身を除く): 6204155

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3767, 5795, 18835, 71573, 229787, 357865, 1148935, 4365953, 21829765]

約数ペア:

[(1, 21829765), (5, 4365953), (19, 1148935), (61, 357865), (95, 229787), (305, 71573), (1159, 18835), (3767, 5795)]