21417170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52237}}^1$

素因数の和:52285

約数の個数: 16

約数和(自身を含む): 39491928

約数和(自身を除く): 18074758

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 52237, 104474, 261185, 522370, 2141717, 4283434, 10708585, 21417170]

約数ペア:

[(1, 21417170), (2, 10708585), (5, 4283434), (10, 2141717), (41, 522370), (82, 261185), (205, 104474), (410, 52237)]