21137430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704581}}^1$

素因数の和:704591

約数の個数: 16

約数和(自身を含む): 50729904

約数和(自身を除く): 29592474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704581, 1409162, 2113743, 3522905, 4227486, 7045810, 10568715, 21137430]

約数ペア:

[(1, 21137430), (2, 10568715), (3, 7045810), (5, 4227486), (6, 3522905), (10, 2113743), (15, 1409162), (30, 704581)]