21396372

素因数分解:

$2^2\times 3^1\times {\mathrm{181}}^1\times {\mathrm{9851}}^1$

素因数の和:10039

約数の個数: 24

約数和(自身を含む): 50205792

約数和(自身を除く): 28809420

約数列:

[1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172, 9851, 19702, 29553, 39404, 59106, 118212, 1783031, 3566062, 5349093, 7132124, 10698186, 21396372]

約数ペア:

[(1, 21396372), (2, 10698186), (3, 7132124), (4, 5349093), (6, 3566062), (12, 1783031), (181, 118212), (362, 59106), (543, 39404), (724, 29553), (1086, 19702), (2172, 9851)]