21216984

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23893}}^1$

素因数の和:23939

約数の個数: 32

約数和(自身を含む): 54478320

約数和(自身を除く): 33261336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23893, 47786, 71679, 95572, 143358, 191144, 286716, 573432, 884041, 1768082, 2652123, 3536164, 5304246, 7072328, 10608492, 21216984]

約数ペア:

[(1, 21216984), (2, 10608492), (3, 7072328), (4, 5304246), (6, 3536164), (8, 2652123), (12, 1768082), (24, 884041), (37, 573432), (74, 286716), (111, 191144), (148, 143358), (222, 95572), (296, 71679), (444, 47786), (888, 23893)]