21258060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354301}}^1$

素因数の和:354313

約数の個数: 24

約数和(自身を含む): 59522736

約数和(自身を除く): 38264676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354301, 708602, 1062903, 1417204, 1771505, 2125806, 3543010, 4251612, 5314515, 7086020, 10629030, 21258060]

約数ペア:

[(1, 21258060), (2, 10629030), (3, 7086020), (4, 5314515), (5, 4251612), (6, 3543010), (10, 2125806), (12, 1771505), (15, 1417204), (20, 1062903), (30, 708602), (60, 354301)]