21277968

素因数分解:

$2^4\times 3^1\times {\mathrm{443291}}^1$

素因数の和:443302

約数の個数: 20

約数和(自身を含む): 54968208

約数和(自身を除く): 33690240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443291, 886582, 1329873, 1773164, 2659746, 3546328, 5319492, 7092656, 10638984, 21277968]

約数ペア:

[(1, 21277968), (2, 10638984), (3, 7092656), (4, 5319492), (6, 3546328), (8, 2659746), (12, 1773164), (16, 1329873), (24, 886582), (48, 443291)]