21332255

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21017}}^1$

素因数の和:21058

約数の個数: 16

約数和(自身を含む): 30265920

約数和(自身を除く): 8933665

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 21017, 105085, 147119, 609493, 735595, 3047465, 4266451, 21332255]

約数ペア:

[(1, 21332255), (5, 4266451), (7, 3047465), (29, 735595), (35, 609493), (145, 147119), (203, 105085), (1015, 21017)]