21318564

素因数分解:

$2^2\times 3^1\times {\mathrm{829}}^1\times {\mathrm{2143}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 49826560

約数和(自身を除く): 28507996

約数列:

[1, 2, 3, 4, 6, 12, 829, 1658, 2143, 2487, 3316, 4286, 4974, 6429, 8572, 9948, 12858, 25716, 1776547, 3553094, 5329641, 7106188, 10659282, 21318564]

約数ペア:

[(1, 21318564), (2, 10659282), (3, 7106188), (4, 5329641), (6, 3553094), (12, 1776547), (829, 25716), (1658, 12858), (2143, 9948), (2487, 8572), (3316, 6429), (4286, 4974)]