21400550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14759}}^1$

素因数の和:14800

約数の個数: 24

約数和(自身を含む): 41180400

約数和(自身を除く): 19779850

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14759, 29518, 73795, 147590, 368975, 428011, 737950, 856022, 2140055, 4280110, 10700275, 21400550]

約数ペア:

[(1, 21400550), (2, 10700275), (5, 4280110), (10, 2140055), (25, 856022), (29, 737950), (50, 428011), (58, 368975), (145, 147590), (290, 73795), (725, 29518), (1450, 14759)]