21179195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2467}}^1$

素因数の和:2590

約数の個数: 16

約数和(自身を含む): 27187488

約数和(自身を除く): 6008293

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2467, 8585, 12335, 41939, 209695, 249167, 1245835, 4235839, 21179195]

約数ペア:

[(1, 21179195), (5, 4235839), (17, 1245835), (85, 249167), (101, 209695), (505, 41939), (1717, 12335), (2467, 8585)]