21125544

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80021}}^1$

素因数の和:80041

約数の個数: 32

約数和(自身を含む): 57615840

約数和(自身を除く): 36490296

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80021, 160042, 240063, 320084, 480126, 640168, 880231, 960252, 1760462, 1920504, 2640693, 3520924, 5281386, 7041848, 10562772, 21125544]

約数ペア:

[(1, 21125544), (2, 10562772), (3, 7041848), (4, 5281386), (6, 3520924), (8, 2640693), (11, 1920504), (12, 1760462), (22, 960252), (24, 880231), (33, 640168), (44, 480126), (66, 320084), (88, 240063), (132, 160042), (264, 80021)]