21707602

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 38891520

約数和(自身を除く): 17183918

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 406, 421, 842, 889, 1778, 2947, 3683, 5894, 7366, 12209, 24418, 25781, 51562, 53467, 85463, 106934, 170926, 374269, 748538, 1550543, 3101086, 10853801, 21707602]

約数ペア:

[(1, 21707602), (2, 10853801), (7, 3101086), (14, 1550543), (29, 748538), (58, 374269), (127, 170926), (203, 106934), (254, 85463), (406, 53467), (421, 51562), (842, 25781), (889, 24418), (1778, 12209), (2947, 7366), (3683, 5894)]