21497007

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{9059}}^1$

素因数の和:9182

約数の個数: 16

約数和(自身を含む): 33050880

約数和(自身を除く): 11553873

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 9059, 27177, 63413, 190239, 1023667, 3071001, 7165669, 21497007]

約数ペア:

[(1, 21497007), (3, 7165669), (7, 3071001), (21, 1023667), (113, 190239), (339, 63413), (791, 27177), (2373, 9059)]