21081210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702707}}^1$

素因数の和:702717

約数の個数: 16

約数和(自身を含む): 50594976

約数和(自身を除く): 29513766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702707, 1405414, 2108121, 3513535, 4216242, 7027070, 10540605, 21081210]

約数ペア:

[(1, 21081210), (2, 10540605), (3, 7027070), (5, 4216242), (6, 3513535), (10, 2108121), (15, 1405414), (30, 702707)]