21226550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14639}}^1$

素因数の和:14680

約数の個数: 24

約数和(自身を含む): 40845600

約数和(自身を除く): 19619050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14639, 29278, 73195, 146390, 365975, 424531, 731950, 849062, 2122655, 4245310, 10613275, 21226550]

約数ペア:

[(1, 21226550), (2, 10613275), (5, 4245310), (10, 2122655), (25, 849062), (29, 731950), (50, 424531), (58, 365975), (145, 146390), (290, 73195), (725, 29278), (1450, 14639)]