21802606

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 17388434

約数列:

[1, 2, 7, 14, 29, 58, 83, 166, 203, 406, 581, 647, 1162, 1294, 2407, 4529, 4814, 9058, 16849, 18763, 33698, 37526, 53701, 107402, 131341, 262682, 375907, 751814, 1557329, 3114658, 10901303, 21802606]

約数ペア:

[(1, 21802606), (2, 10901303), (7, 3114658), (14, 1557329), (29, 751814), (58, 375907), (83, 262682), (166, 131341), (203, 107402), (406, 53701), (581, 37526), (647, 33698), (1162, 18763), (1294, 16849), (2407, 9058), (4529, 4814)]