21909338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{1231}}^1$

素因数の和:2053

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 14015782

約数列:

[1, 2, 11, 22, 809, 1231, 1618, 2462, 8899, 13541, 17798, 27082, 995879, 1991758, 10954669, 21909338]

約数ペア:

[(1, 21909338), (2, 10954669), (11, 1991758), (22, 995879), (809, 27082), (1231, 17798), (1618, 13541), (2462, 8899)]