21091712

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{4019}}^1$

素因数の和:4074

約数の個数: 32

約数和(自身を含む): 43054200

約数和(自身を除く): 21962488

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 4019, 5248, 8038, 16076, 32152, 64304, 128608, 164779, 257216, 329558, 514432, 659116, 1318232, 2636464, 5272928, 10545856, 21091712]

約数ペア:

[(1, 21091712), (2, 10545856), (4, 5272928), (8, 2636464), (16, 1318232), (32, 659116), (41, 514432), (64, 329558), (82, 257216), (128, 164779), (164, 128608), (328, 64304), (656, 32152), (1312, 16076), (2624, 8038), (4019, 5248)]