21131033

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7417}}^1$

素因数の和:7472

約数の個数: 16

約数和(自身を含む): 27060864

約数和(自身を除く): 5929831

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7417, 51919, 81587, 274429, 571109, 1921003, 3018719, 21131033]

約数ペア:

[(1, 21131033), (7, 3018719), (11, 1921003), (37, 571109), (77, 274429), (259, 81587), (407, 51919), (2849, 7417)]