21319574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{1291}}^1$

素因数の和:1675

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12169066

約数列:

[1, 2, 23, 46, 359, 718, 1291, 2582, 8257, 16514, 29693, 59386, 463469, 926938, 10659787, 21319574]

約数ペア:

[(1, 21319574), (2, 10659787), (23, 926938), (46, 463469), (359, 59386), (718, 29693), (1291, 16514), (2582, 8257)]