21318732

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{857}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 54029976

約数和(自身を除く): 32711244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 857, 1382, 1714, 2073, 2571, 2764, 3428, 4146, 5142, 6219, 7713, 8292, 10284, 12438, 15426, 24876, 30852, 592187, 1184374, 1776561, 2368748, 3553122, 5329683, 7106244, 10659366, 21318732]

約数ペア:

[(1, 21318732), (2, 10659366), (3, 7106244), (4, 5329683), (6, 3553122), (9, 2368748), (12, 1776561), (18, 1184374), (36, 592187), (691, 30852), (857, 24876), (1382, 15426), (1714, 12438), (2073, 10284), (2571, 8292), (2764, 7713), (3428, 6219), (4146, 5142)]