21729702970

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21096799}}^1$

素因数の和:21096909

約数の個数: 16

約数和(自身を含む): 39493209600

約数和(自身を除く): 17763506630

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 21096799, 42193598, 105483995, 210967990, 2172970297, 4345940594, 10864851485, 21729702970]

約数ペア:

[(1, 21729702970), (2, 10864851485), (5, 4345940594), (10, 2172970297), (103, 210967990), (206, 105483995), (515, 42193598), (1030, 21096799)]