21316956

素因数分解:

$2^2\times 3^1\times {\mathrm{1031}}^1\times {\mathrm{1723}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 49816704

約数和(自身を除く): 28499748

約数列:

[1, 2, 3, 4, 6, 12, 1031, 1723, 2062, 3093, 3446, 4124, 5169, 6186, 6892, 10338, 12372, 20676, 1776413, 3552826, 5329239, 7105652, 10658478, 21316956]

約数ペア:

[(1, 21316956), (2, 10658478), (3, 7105652), (4, 5329239), (6, 3552826), (12, 1776413), (1031, 20676), (1723, 12372), (2062, 10338), (3093, 6892), (3446, 6186), (4124, 5169)]