21098623

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2251}}^1$

素因数の和:2374

約数の個数: 16

約数和(自身を含む): 26231296

約数和(自身を除く): 5132673

約数列:

[1, 7, 13, 91, 103, 721, 1339, 2251, 9373, 15757, 29263, 204841, 231853, 1622971, 3014089, 21098623]

約数ペア:

[(1, 21098623), (7, 3014089), (13, 1622971), (91, 231853), (103, 204841), (721, 29263), (1339, 15757), (2251, 9373)]