21961331

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1031}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 26749440

約数和(自身を除く): 4788109

約数列:

[1, 7, 17, 119, 179, 1031, 1253, 3043, 7217, 17527, 21301, 122689, 184549, 1291843, 3137333, 21961331]

約数ペア:

[(1, 21961331), (7, 3137333), (17, 1291843), (119, 184549), (179, 122689), (1031, 21301), (1253, 17527), (3043, 7217)]