21253836

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47869}}^1$

素因数の和:47913

約数の個数: 24

約数和(自身を含む): 50933680

約数和(自身を除く): 29679844

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 47869, 95738, 143607, 191476, 287214, 574428, 1771153, 3542306, 5313459, 7084612, 10626918, 21253836]

約数ペア:

[(1, 21253836), (2, 10626918), (3, 7084612), (4, 5313459), (6, 3542306), (12, 1771153), (37, 574428), (74, 287214), (111, 191476), (148, 143607), (222, 95738), (444, 47869)]