21752661

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16981}}^1$

素因数の和:17052

約数の個数: 16

約数和(自身を含む): 33692288

約数和(自身を除く): 11939627

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16981, 50943, 118867, 356601, 1035841, 3107523, 7250887, 21752661]

約数ペア:

[(1, 21752661), (3, 7250887), (7, 3107523), (21, 1035841), (61, 356601), (183, 118867), (427, 50943), (1281, 16981)]