21871498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7589}}^1$

素因数の和:7733

約数の個数: 16

約数和(自身を含む): 36067680

約数和(自身を除く): 14196182

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7589, 15178, 83479, 166958, 994159, 1988318, 10935749, 21871498]

約数ペア:

[(1, 21871498), (2, 10935749), (11, 1988318), (22, 994159), (131, 166958), (262, 83479), (1441, 15178), (2882, 7589)]