21861390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728713}}^1$

素因数の和:728723

約数の個数: 16

約数和(自身を含む): 52467408

約数和(自身を除く): 30606018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728713, 1457426, 2186139, 3643565, 4372278, 7287130, 10930695, 21861390]

約数ペア:

[(1, 21861390), (2, 10930695), (3, 7287130), (5, 4372278), (6, 3643565), (10, 2186139), (15, 1457426), (30, 728713)]