21323624

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 49200000

約数和(自身を除く): 27876376

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 343, 392, 409, 532, 686, 818, 931, 1064, 1372, 1636, 1862, 2744, 2863, 3272, 3724, 5726, 6517, 7448, 7771, 11452, 13034, 15542, 20041, 22904, 26068, 31084, 40082, 52136, 54397, 62168, 80164, 108794, 140287, 160328, 217588, 280574, 380779, 435176, 561148, 761558, 1122296, 1523116, 2665453, 3046232, 5330906, 10661812, 21323624]

約数ペア:

[(1, 21323624), (2, 10661812), (4, 5330906), (7, 3046232), (8, 2665453), (14, 1523116), (19, 1122296), (28, 761558), (38, 561148), (49, 435176), (56, 380779), (76, 280574), (98, 217588), (133, 160328), (152, 140287), (196, 108794), (266, 80164), (343, 62168), (392, 54397), (409, 52136), (532, 40082), (686, 31084), (818, 26068), (931, 22904), (1064, 20041), (1372, 15542), (1636, 13034), (1862, 11452), (2744, 7771), (2863, 7448), (3272, 6517), (3724, 5726)]