21577886939

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{30307}}^1$

素因数の和:30555

約数の個数: 32

約数和(自身を含む): 27093897216

約数和(自身を除く): 5516010277

約数列:

[1, 7, 17, 31, 119, 193, 217, 527, 1351, 3281, 3689, 5983, 22967, 30307, 41881, 101711, 212149, 515219, 711977, 939517, 3606533, 5849251, 6576619, 15971789, 40944757, 99437267, 111802523, 181326781, 696060869, 1269287467, 3082555277, 21577886939]

約数ペア:

[(1, 21577886939), (7, 3082555277), (17, 1269287467), (31, 696060869), (119, 181326781), (193, 111802523), (217, 99437267), (527, 40944757), (1351, 15971789), (3281, 6576619), (3689, 5849251), (5983, 3606533), (22967, 939517), (30307, 711977), (41881, 515219), (101711, 212149)]