21616658

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 17781742

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 203, 259, 406, 518, 1073, 1439, 2146, 2878, 7511, 10073, 15022, 20146, 41731, 53243, 83462, 106486, 292117, 372701, 584234, 745402, 1544047, 3088094, 10808329, 21616658]

約数ペア:

[(1, 21616658), (2, 10808329), (7, 3088094), (14, 1544047), (29, 745402), (37, 584234), (58, 372701), (74, 292117), (203, 106486), (259, 83462), (406, 53243), (518, 41731), (1073, 20146), (1439, 15022), (2146, 10073), (2878, 7511)]