21000388686

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{120691889}}^1$

素因数の和:120691923

約数の個数: 16

約数和(自身を含む): 43449080400

約数和(自身を除く): 22448691714

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 120691889, 241383778, 362075667, 724151334, 3500064781, 7000129562, 10500194343, 21000388686]

約数ペア:

[(1, 21000388686), (2, 10500194343), (3, 7000129562), (6, 3500064781), (29, 724151334), (58, 362075667), (87, 241383778), (174, 120691889)]