21985882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3511}}^1$

素因数の和:3645

約数の個数: 16

約数和(自身を含む): 34389504

約数和(自身を除く): 12403622

約数列:

[1, 2, 31, 62, 101, 202, 3131, 3511, 6262, 7022, 108841, 217682, 354611, 709222, 10992941, 21985882]

約数ペア:

[(1, 21985882), (2, 10992941), (31, 709222), (62, 354611), (101, 217682), (202, 108841), (3131, 7022), (3511, 6262)]