21019806

素因数分解:

$2^1\times 3^2\times {\mathrm{383}}^1\times {\mathrm{3049}}^1$

素因数の和:3440

約数の個数: 24

約数和(自身を含む): 45676800

約数和(自身を除く): 24656994

約数列:

[1, 2, 3, 6, 9, 18, 383, 766, 1149, 2298, 3049, 3447, 6098, 6894, 9147, 18294, 27441, 54882, 1167767, 2335534, 3503301, 7006602, 10509903, 21019806]

約数ペア:

[(1, 21019806), (2, 10509903), (3, 7006602), (6, 3503301), (9, 2335534), (18, 1167767), (383, 54882), (766, 27441), (1149, 18294), (2298, 9147), (3049, 6894), (3447, 6098)]