21380110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92957}}^1$

素因数の和:92987

約数の個数: 16

約数和(自身を含む): 40157856

約数和(自身を除く): 18777746

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92957, 185914, 464785, 929570, 2138011, 4276022, 10690055, 21380110]

約数ペア:

[(1, 21380110), (2, 10690055), (5, 4276022), (10, 2138011), (23, 929570), (46, 464785), (115, 185914), (230, 92957)]