21233170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2549}}^1$

素因数の和:2587

約数の個数: 48

約数和(自身を含む): 47093400

約数和(自身を除く): 25860230

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2549, 4165, 5098, 8330, 12745, 17843, 25490, 35686, 43333, 86666, 89215, 124901, 178430, 216665, 249802, 303331, 433330, 606662, 624505, 1249010, 1516655, 2123317, 3033310, 4246634, 10616585, 21233170]

約数ペア:

[(1, 21233170), (2, 10616585), (5, 4246634), (7, 3033310), (10, 2123317), (14, 1516655), (17, 1249010), (34, 624505), (35, 606662), (49, 433330), (70, 303331), (85, 249802), (98, 216665), (119, 178430), (170, 124901), (238, 89215), (245, 86666), (490, 43333), (595, 35686), (833, 25490), (1190, 17843), (1666, 12745), (2549, 8330), (4165, 5098)]