21893938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2309}}^1$

素因数の和:2753

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 14031182

約数列:

[1, 2, 11, 22, 431, 862, 2309, 4618, 4741, 9482, 25399, 50798, 995179, 1990358, 10946969, 21893938]

約数ペア:

[(1, 21893938), (2, 10946969), (11, 1990358), (22, 995179), (431, 50798), (862, 25399), (2309, 9482), (4618, 4741)]