21236314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41969}}^1$

素因数の和:42005

約数の個数: 16

約数和(自身を含む): 36262080

約数和(自身を除く): 15025766

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41969, 83938, 461659, 923318, 965287, 1930574, 10618157, 21236314]

約数ペア:

[(1, 21236314), (2, 10618157), (11, 1930574), (22, 965287), (23, 923318), (46, 461659), (253, 83938), (506, 41969)]