21620390403

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1\times {\mathrm{71317}}^1$

素因数の和:72186

約数の個数: 16

約数和(自身を含む): 29074922240

約数和(自身を除く): 7454531837

約数列:

[1, 3, 139, 417, 727, 2181, 71317, 101053, 213951, 303159, 9913063, 29739189, 51847459, 155542377, 7206796801, 21620390403]

約数ペア:

[(1, 21620390403), (3, 7206796801), (139, 155542377), (417, 51847459), (727, 29739189), (2181, 9913063), (71317, 303159), (101053, 213951)]