21417670

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8887}}^1$

素因数の和:9135

約数の個数: 16

約数和(自身を含む): 38716128

約数和(自身を除く): 17298458

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 8887, 17774, 44435, 88870, 2141767, 4283534, 10708835, 21417670]

約数ペア:

[(1, 21417670), (2, 10708835), (5, 4283534), (10, 2141767), (241, 88870), (482, 44435), (1205, 17774), (2410, 8887)]