21492997010

素因数分解:

$2^1\times 5^1\times {\mathrm{5147}}^1\times {\mathrm{417583}}^1$

素因数の和:422737

約数の個数: 16

約数和(自身を含む): 38695003776

約数和(自身を除く): 17202006766

約数列:

[1, 2, 5, 10, 5147, 10294, 25735, 51470, 417583, 835166, 2087915, 4175830, 2149299701, 4298599402, 10746498505, 21492997010]

約数ペア:

[(1, 21492997010), (2, 10746498505), (5, 4298599402), (10, 2149299701), (5147, 4175830), (10294, 2087915), (25735, 835166), (51470, 417583)]