21909436

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 39966080

約数和(自身を除く): 18056644

約数列:

[1, 2, 4, 31, 62, 109, 124, 218, 436, 1621, 3242, 3379, 6484, 6758, 13516, 50251, 100502, 176689, 201004, 353378, 706756, 5477359, 10954718, 21909436]

約数ペア:

[(1, 21909436), (2, 10954718), (4, 5477359), (31, 706756), (62, 353378), (109, 201004), (124, 176689), (218, 100502), (436, 50251), (1621, 13516), (3242, 6758), (3379, 6484)]