21537095

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3389}}^1$

素因数の和:3466

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 5799865

約数列:

[1, 5, 31, 41, 155, 205, 1271, 3389, 6355, 16945, 105059, 138949, 525295, 694745, 4307419, 21537095]

約数ペア:

[(1, 21537095), (5, 4307419), (31, 694745), (41, 525295), (155, 138949), (205, 105059), (1271, 16945), (3389, 6355)]