21433736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 21334264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 359, 439, 718, 878, 1436, 1756, 2872, 3512, 6103, 7463, 12206, 14926, 24412, 29852, 48824, 59704, 157601, 315202, 630404, 1260808, 2679217, 5358434, 10716868, 21433736]

約数ペア:

[(1, 21433736), (2, 10716868), (4, 5358434), (8, 2679217), (17, 1260808), (34, 630404), (68, 315202), (136, 157601), (359, 59704), (439, 48824), (718, 29852), (878, 24412), (1436, 14926), (1756, 12206), (2872, 7463), (3512, 6103)]