2141489721

素因数分解:

$3^1\times 7^1\times {\mathrm{25037}}^1\times {\mathrm{4073}}^1$

素因数の和:29120

約数の個数: 16

約数和(自身を含む): 3264153984

約数和(自身を除く): 1122664263

約数列:

[1, 3, 7, 21, 4073, 12219, 25037, 28511, 75111, 85533, 175259, 525777, 101975701, 305927103, 713829907, 2141489721]

約数ペア:

[(1, 2141489721), (3, 713829907), (7, 305927103), (21, 101975701), (4073, 525777), (12219, 175259), (25037, 85533), (28511, 75111)]