21856272

素因数分解:

$2^4\times 3^1\times {\mathrm{455339}}^1$

素因数の和:455350

約数の個数: 20

約数和(自身を含む): 56462160

約数和(自身を除く): 34605888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 455339, 910678, 1366017, 1821356, 2732034, 3642712, 5464068, 7285424, 10928136, 21856272]

約数ペア:

[(1, 21856272), (2, 10928136), (3, 7285424), (4, 5464068), (6, 3642712), (8, 2732034), (12, 1821356), (16, 1366017), (24, 910678), (48, 455339)]