21905295010

素因数分解:

$2^1\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{976607}}^1$

素因数の和:978857

約数の個数: 16

約数和(自身を含む): 39447150336

約数和(自身を除く): 17541855326

約数列:

[1, 2, 5, 10, 2243, 4486, 11215, 22430, 976607, 1953214, 4883035, 9766070, 2190529501, 4381059002, 10952647505, 21905295010]

約数ペア:

[(1, 21905295010), (2, 10952647505), (5, 4381059002), (10, 2190529501), (2243, 9766070), (4486, 4883035), (11215, 1953214), (22430, 976607)]