21593090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 40836096

約数和(自身を除く): 19243006

約数列:

[1, 2, 5, 10, 23, 46, 115, 223, 230, 421, 446, 842, 1115, 2105, 2230, 4210, 5129, 9683, 10258, 19366, 25645, 48415, 51290, 93883, 96830, 187766, 469415, 938830, 2159309, 4318618, 10796545, 21593090]

約数ペア:

[(1, 21593090), (2, 10796545), (5, 4318618), (10, 2159309), (23, 938830), (46, 469415), (115, 187766), (223, 96830), (230, 93883), (421, 51290), (446, 48415), (842, 25645), (1115, 19366), (2105, 10258), (2230, 9683), (4210, 5129)]