21608270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93949}}^1$

素因数の和:93979

約数の個数: 16

約数和(自身を含む): 40586400

約数和(自身を除く): 18978130

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93949, 187898, 469745, 939490, 2160827, 4321654, 10804135, 21608270]

約数ペア:

[(1, 21608270), (2, 10804135), (5, 4321654), (10, 2160827), (23, 939490), (46, 469745), (115, 187898), (230, 93949)]