21623660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63599}}^1$

素因数の和:63625

約数の個数: 24

約数和(自身を含む): 48081600

約数和(自身を除く): 26457940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 63599, 127198, 254396, 317995, 635990, 1081183, 1271980, 2162366, 4324732, 5405915, 10811830, 21623660]

約数ペア:

[(1, 21623660), (2, 10811830), (4, 5405915), (5, 4324732), (10, 2162366), (17, 1271980), (20, 1081183), (34, 635990), (68, 317995), (85, 254396), (170, 127198), (340, 63599)]