21426111

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1423}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 35543040

約数和(自身を除く): 14116929

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1423, 1673, 2151, 4269, 5019, 9961, 12807, 15057, 29883, 89649, 340097, 1020291, 2380679, 3060873, 7142037, 21426111]

約数ペア:

[(1, 21426111), (3, 7142037), (7, 3060873), (9, 2380679), (21, 1020291), (63, 340097), (239, 89649), (717, 29883), (1423, 15057), (1673, 12807), (2151, 9961), (4269, 5019)]