21396408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81047}}^1$

素因数の和:81067

約数の個数: 32

約数和(自身を含む): 58354560

約数和(自身を除く): 36958152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81047, 162094, 243141, 324188, 486282, 648376, 891517, 972564, 1783034, 1945128, 2674551, 3566068, 5349102, 7132136, 10698204, 21396408]

約数ペア:

[(1, 21396408), (2, 10698204), (3, 7132136), (4, 5349102), (6, 3566068), (8, 2674551), (11, 1945128), (12, 1783034), (22, 972564), (24, 891517), (33, 648376), (44, 486282), (66, 324188), (88, 243141), (132, 162094), (264, 81047)]