21257066

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 11644054

約数列:

[1, 2, 47, 94, 101, 202, 2239, 4478, 4747, 9494, 105233, 210466, 226139, 452278, 10628533, 21257066]

約数ペア:

[(1, 21257066), (2, 10628533), (47, 452278), (94, 226139), (101, 210466), (202, 105233), (2239, 9494), (4478, 4747)]