21071522

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 32270400

約数和(自身を除く): 11198878

約数列:

[1, 2, 71, 142, 179, 358, 829, 1658, 12709, 25418, 58859, 117718, 148391, 296782, 10535761, 21071522]

約数ペア:

[(1, 21071522), (2, 10535761), (71, 296782), (142, 148391), (179, 117718), (358, 58859), (829, 25418), (1658, 12709)]