21852310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 41928192

約数和(自身を除く): 20075882

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 673, 955, 1346, 1910, 3247, 3365, 6494, 6730, 11441, 16235, 22882, 32470, 57205, 114410, 128543, 257086, 642715, 1285430, 2185231, 4370462, 10926155, 21852310]

約数ペア:

[(1, 21852310), (2, 10926155), (5, 4370462), (10, 2185231), (17, 1285430), (34, 642715), (85, 257086), (170, 128543), (191, 114410), (382, 57205), (673, 32470), (955, 22882), (1346, 16235), (1910, 11441), (3247, 6730), (3365, 6494)]