21675995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1721}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 28516320

約数和(自身を除く): 6840325

約数列:

[1, 5, 11, 55, 229, 1145, 1721, 2519, 8605, 12595, 18931, 94655, 394109, 1970545, 4335199, 21675995]

約数ペア:

[(1, 21675995), (5, 4335199), (11, 1970545), (55, 394109), (229, 94655), (1145, 18931), (1721, 12595), (2519, 8605)]