21861030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728701}}^1$

素因数の和:728711

約数の個数: 16

約数和(自身を含む): 52466544

約数和(自身を除く): 30605514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728701, 1457402, 2186103, 3643505, 4372206, 7287010, 10930515, 21861030]

約数ペア:

[(1, 21861030), (2, 10930515), (3, 7287010), (5, 4372206), (6, 3643505), (10, 2186103), (15, 1457402), (30, 728701)]