21919024

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17341}}^1$

素因数の和:17428

約数の個数: 20

約数和(自身を含む): 43008160

約数和(自身を除く): 21089136

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17341, 34682, 69364, 138728, 277456, 1369939, 2739878, 5479756, 10959512, 21919024]

約数ペア:

[(1, 21919024), (2, 10959512), (4, 5479756), (8, 2739878), (16, 1369939), (79, 277456), (158, 138728), (316, 69364), (632, 34682), (1264, 17341)]