21876590

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4787}}^1$

素因数の和:5251

約数の個数: 16

約数和(自身を含む): 39472272

約数和(自身を除く): 17595682

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 4787, 9574, 23935, 47870, 2187659, 4375318, 10938295, 21876590]

約数ペア:

[(1, 21876590), (2, 10938295), (5, 4375318), (10, 2187659), (457, 47870), (914, 23935), (2285, 9574), (4570, 4787)]