21684856

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11941}}^1$

素因数の和:12174

約数の個数: 16

約数和(自身を含む): 40841640

約数和(自身を除く): 19156784

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11941, 23882, 47764, 95528, 2710607, 5421214, 10842428, 21684856]

約数ペア:

[(1, 21684856), (2, 10842428), (4, 5421214), (8, 2710607), (227, 95528), (454, 47764), (908, 23882), (1816, 11941)]