21728208

素因数分解:

$2^4\times 3^1\times {\mathrm{452671}}^1$

素因数の和:452682

約数の個数: 20

約数和(自身を含む): 56131328

約数和(自身を除く): 34403120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 452671, 905342, 1358013, 1810684, 2716026, 3621368, 5432052, 7242736, 10864104, 21728208]

約数ペア:

[(1, 21728208), (2, 10864104), (3, 7242736), (4, 5432052), (6, 3621368), (8, 2716026), (12, 1810684), (16, 1358013), (24, 905342), (48, 452671)]