21001740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350029}}^1$

素因数の和:350041

約数の個数: 24

約数和(自身を含む): 58805040

約数和(自身を除く): 37803300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350029, 700058, 1050087, 1400116, 1750145, 2100174, 3500290, 4200348, 5250435, 7000580, 10500870, 21001740]

約数ペア:

[(1, 21001740), (2, 10500870), (3, 7000580), (4, 5250435), (5, 4200348), (6, 3500290), (10, 2100174), (12, 1750145), (15, 1400116), (20, 1050087), (30, 700058), (60, 350029)]