21901938

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51413}}^1$

素因数の和:51489

約数の個数: 16

約数和(自身を含む): 44421696

約数和(自身を除く): 22519758

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51413, 102826, 154239, 308478, 3650323, 7300646, 10950969, 21901938]

約数ペア:

[(1, 21901938), (2, 10950969), (3, 7300646), (6, 3650323), (71, 308478), (142, 154239), (213, 102826), (426, 51413)]