21358558

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2236

約数の個数: 24

約数和(自身を含む): 35904600

約数和(自身を除く): 14546042

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 2179, 4358, 4901, 9802, 28327, 56654, 63191, 126382, 368251, 736502, 821483, 1642966, 10679279, 21358558]

約数ペア:

[(1, 21358558), (2, 10679279), (13, 1642966), (26, 821483), (29, 736502), (58, 368251), (169, 126382), (338, 63191), (377, 56654), (754, 28327), (2179, 9802), (4358, 4901)]