21758372

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{733}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 39274872

約数和(自身を除く): 17516500

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 724, 733, 1466, 2932, 7421, 14842, 29684, 30053, 60106, 120212, 132673, 265346, 530692, 5439593, 10879186, 21758372]

約数ペア:

[(1, 21758372), (2, 10879186), (4, 5439593), (41, 530692), (82, 265346), (164, 132673), (181, 120212), (362, 60106), (724, 30053), (733, 29684), (1466, 14842), (2932, 7421)]