21746910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42641}}^1$

素因数の和:42668

約数の個数: 32

約数和(自身を含む): 55264032

約数和(自身を除く): 33517122

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42641, 85282, 127923, 213205, 255846, 426410, 639615, 724897, 1279230, 1449794, 2174691, 3624485, 4349382, 7248970, 10873455, 21746910]

約数ペア:

[(1, 21746910), (2, 10873455), (3, 7248970), (5, 4349382), (6, 3624485), (10, 2174691), (15, 1449794), (17, 1279230), (30, 724897), (34, 639615), (51, 426410), (85, 255846), (102, 213205), (170, 127923), (255, 85282), (510, 42641)]