21303310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1123}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 44024832

約数和(自身を除く): 22721522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1123, 1355, 1897, 2246, 2710, 3794, 5615, 7861, 9485, 11230, 15722, 18970, 39305, 78610, 304333, 608666, 1521665, 2130331, 3043330, 4260662, 10651655, 21303310]

約数ペア:

[(1, 21303310), (2, 10651655), (5, 4260662), (7, 3043330), (10, 2130331), (14, 1521665), (35, 608666), (70, 304333), (271, 78610), (542, 39305), (1123, 18970), (1355, 15722), (1897, 11230), (2246, 9485), (2710, 7861), (3794, 5615)]