21400300

素因数分解:

$2^2\times 5^2\times {\mathrm{214003}}^1$

素因数の和:214017

約数の個数: 18

約数和(自身を含む): 46438868

約数和(自身を除く): 25038568

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 214003, 428006, 856012, 1070015, 2140030, 4280060, 5350075, 10700150, 21400300]

約数ペア:

[(1, 21400300), (2, 10700150), (4, 5350075), (5, 4280060), (10, 2140030), (20, 1070015), (25, 856012), (50, 428006), (100, 214003)]