21427590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1627}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 51575040

約数和(自身を除く): 30147450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1627, 2195, 2634, 3254, 4390, 4881, 6585, 8135, 9762, 13170, 16270, 24405, 48810, 714253, 1428506, 2142759, 3571265, 4285518, 7142530, 10713795, 21427590]

約数ペア:

[(1, 21427590), (2, 10713795), (3, 7142530), (5, 4285518), (6, 3571265), (10, 2142759), (15, 1428506), (30, 714253), (439, 48810), (878, 24405), (1317, 16270), (1627, 13170), (2195, 9762), (2634, 8135), (3254, 6585), (4390, 4881)]