21169707

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2003}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 30524928

約数和(自身を除く): 9355221

約数列:

[1, 3, 13, 39, 271, 813, 2003, 3523, 6009, 10569, 26039, 78117, 542813, 1628439, 7056569, 21169707]

約数ペア:

[(1, 21169707), (3, 7056569), (13, 1628439), (39, 542813), (271, 78117), (813, 26039), (2003, 10569), (3523, 6009)]