21197090

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{2417}}^1$

素因数の和:3301

約数の個数: 16

約数和(自身を含む): 38214072

約数和(自身を除く): 17016982

約数列:

[1, 2, 5, 10, 877, 1754, 2417, 4385, 4834, 8770, 12085, 24170, 2119709, 4239418, 10598545, 21197090]

約数ペア:

[(1, 21197090), (2, 10598545), (5, 4239418), (10, 2119709), (877, 24170), (1754, 12085), (2417, 8770), (4385, 4834)]