21329612

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4649}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 39580800

約数和(自身を除く): 18251188

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4588, 4649, 9298, 18596, 144119, 172013, 288238, 344026, 576476, 688052, 5332403, 10664806, 21329612]

約数ペア:

[(1, 21329612), (2, 10664806), (4, 5332403), (31, 688052), (37, 576476), (62, 344026), (74, 288238), (124, 172013), (148, 144119), (1147, 18596), (2294, 9298), (4588, 4649)]