21167389431

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{223207}}^1$

素因数の和:223511

約数の個数: 24

約数和(自身を含む): 31442864544

約数和(自身を除く): 10275475113

約数列:

[1, 3, 9, 41, 123, 257, 369, 771, 2313, 10537, 31611, 94833, 223207, 669621, 2008863, 9151487, 27454461, 57364199, 82363383, 172092597, 516277791, 2351932159, 7055796477, 21167389431]

約数ペア:

[(1, 21167389431), (3, 7055796477), (9, 2351932159), (41, 516277791), (123, 172092597), (257, 82363383), (369, 57364199), (771, 27454461), (2313, 9151487), (10537, 2008863), (31611, 669621), (94833, 223207)]