21889166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{49523}}^1$

素因数の和:49555

約数の個数: 16

約数和(自身を含む): 37440144

約数和(自身を除く): 15550978

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 49523, 99046, 643799, 841891, 1287598, 1683782, 10944583, 21889166]

約数ペア:

[(1, 21889166), (2, 10944583), (13, 1683782), (17, 1287598), (26, 841891), (34, 643799), (221, 99046), (442, 49523)]