21670754

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 39381120

約数和(自身を除く): 17710366

約数列:

[1, 2, 7, 14, 19, 38, 133, 257, 266, 317, 514, 634, 1799, 2219, 3598, 4438, 4883, 6023, 9766, 12046, 34181, 42161, 68362, 81469, 84322, 162938, 570283, 1140566, 1547911, 3095822, 10835377, 21670754]

約数ペア:

[(1, 21670754), (2, 10835377), (7, 3095822), (14, 1547911), (19, 1140566), (38, 570283), (133, 162938), (257, 84322), (266, 81469), (317, 68362), (514, 42161), (634, 34181), (1799, 12046), (2219, 9766), (3598, 6023), (4438, 4883)]