21238053

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 29117760

約数和(自身を除く): 7879707

約数列:

[1, 3, 59, 97, 177, 291, 1237, 3711, 5723, 17169, 72983, 119989, 218949, 359967, 7079351, 21238053]

約数ペア:

[(1, 21238053), (3, 7079351), (59, 359967), (97, 218949), (177, 119989), (291, 72983), (1237, 17169), (3711, 5723)]