21316968

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2767}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 58294080

約数和(自身を除く): 36977112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2767, 3852, 5534, 7704, 8301, 11068, 16602, 22136, 24903, 33204, 49806, 66408, 99612, 199224, 296069, 592138, 888207, 1184276, 1776414, 2368552, 2664621, 3552828, 5329242, 7105656, 10658484, 21316968]

約数ペア:

[(1, 21316968), (2, 10658484), (3, 7105656), (4, 5329242), (6, 3552828), (8, 2664621), (9, 2368552), (12, 1776414), (18, 1184276), (24, 888207), (36, 592138), (72, 296069), (107, 199224), (214, 99612), (321, 66408), (428, 49806), (642, 33204), (856, 24903), (963, 22136), (1284, 16602), (1926, 11068), (2568, 8301), (2767, 7704), (3852, 5534)]