21010462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13451}}^1$

素因数の和:13535

約数の個数: 16

約数和(自身を含む): 34867584

約数和(自身を除く): 13857122

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13451, 26902, 147961, 295922, 955021, 1910042, 10505231, 21010462]

約数ペア:

[(1, 21010462), (2, 10505231), (11, 1910042), (22, 955021), (71, 295922), (142, 147961), (781, 26902), (1562, 13451)]