21000388618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{56473}}^1\times {\mathrm{16903}}^1$

素因数の和:73389

約数の個数: 16

約数和(自身を含む): 34366913856

約数和(自身を除く): 13366525238

約数列:

[1, 2, 11, 22, 16903, 33806, 56473, 112946, 185933, 371866, 621203, 1242406, 954563119, 1909126238, 10500194309, 21000388618]

約数ペア:

[(1, 21000388618), (2, 10500194309), (11, 1909126238), (22, 954563119), (16903, 1242406), (33806, 621203), (56473, 371866), (112946, 185933)]