21120186

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20347}}^1$

素因数の和:20525

約数の個数: 16

約数和(自身を含む): 42486624

約数和(自身を除く): 21366438

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20347, 40694, 61041, 122082, 3520031, 7040062, 10560093, 21120186]

約数ペア:

[(1, 21120186), (2, 10560093), (3, 7040062), (6, 3520031), (173, 122082), (346, 61041), (519, 40694), (1038, 20347)]