21037756

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3467}}^1$

素因数の和:3549

約数の個数: 24

約数和(自身を含む): 38744496

約数和(自身を除く): 17706740

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 1517, 3034, 3467, 6068, 6934, 13868, 128279, 142147, 256558, 284294, 513116, 568588, 5259439, 10518878, 21037756]

約数ペア:

[(1, 21037756), (2, 10518878), (4, 5259439), (37, 568588), (41, 513116), (74, 284294), (82, 256558), (148, 142147), (164, 128279), (1517, 13868), (3034, 6934), (3467, 6068)]