21747778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2207}}^1$

素因数の和:2601

約数の個数: 16

約数和(自身を含む): 35239680

約数和(自身を除く): 13491902

約数列:

[1, 2, 13, 26, 379, 758, 2207, 4414, 4927, 9854, 28691, 57382, 836453, 1672906, 10873889, 21747778]

約数ペア:

[(1, 21747778), (2, 10873889), (13, 1672906), (26, 836453), (379, 57382), (758, 28691), (2207, 9854), (4414, 4927)]