21559930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4597}}^1$

素因数の和:4678

約数の個数: 32

約数和(自身を含む): 45023616

約数和(自身を除く): 23463686

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4597, 4690, 9194, 22985, 32179, 45970, 64358, 160895, 307999, 321790, 615998, 1539995, 2155993, 3079990, 4311986, 10779965, 21559930]

約数ペア:

[(1, 21559930), (2, 10779965), (5, 4311986), (7, 3079990), (10, 2155993), (14, 1539995), (35, 615998), (67, 321790), (70, 307999), (134, 160895), (335, 64358), (469, 45970), (670, 32179), (938, 22985), (2345, 9194), (4597, 4690)]