21857792

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{3881}}^1$

素因数の和:3910

約数の個数: 40

約数和(自身を含む): 47655432

約数和(自身を除く): 25797640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1408, 2816, 3881, 5632, 7762, 15524, 31048, 42691, 62096, 85382, 124192, 170764, 248384, 341528, 496768, 683056, 993536, 1366112, 1987072, 2732224, 5464448, 10928896, 21857792]

約数ペア:

[(1, 21857792), (2, 10928896), (4, 5464448), (8, 2732224), (11, 1987072), (16, 1366112), (22, 993536), (32, 683056), (44, 496768), (64, 341528), (88, 248384), (128, 170764), (176, 124192), (256, 85382), (352, 62096), (512, 42691), (704, 31048), (1408, 15524), (2816, 7762), (3881, 5632)]