21684120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180701}}^1$

素因数の和:180715

約数の個数: 32

約数和(自身を含む): 65052720

約数和(自身を除く): 43368600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180701, 361402, 542103, 722804, 903505, 1084206, 1445608, 1807010, 2168412, 2710515, 3614020, 4336824, 5421030, 7228040, 10842060, 21684120]

約数ペア:

[(1, 21684120), (2, 10842060), (3, 7228040), (4, 5421030), (5, 4336824), (6, 3614020), (8, 2710515), (10, 2168412), (12, 1807010), (15, 1445608), (20, 1084206), (24, 903505), (30, 722804), (40, 542103), (60, 361402), (120, 180701)]