21136250

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 40

約数和(自身を含む): 40777572

約数和(自身を除く): 19641322

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 457, 625, 914, 925, 1250, 1850, 2285, 4570, 4625, 9250, 11425, 16909, 22850, 23125, 33818, 46250, 57125, 84545, 114250, 169090, 285625, 422725, 571250, 845450, 2113625, 4227250, 10568125, 21136250]

約数ペア:

[(1, 21136250), (2, 10568125), (5, 4227250), (10, 2113625), (25, 845450), (37, 571250), (50, 422725), (74, 285625), (125, 169090), (185, 114250), (250, 84545), (370, 57125), (457, 46250), (625, 33818), (914, 23125), (925, 22850), (1250, 16909), (1850, 11425), (2285, 9250), (4570, 4625)]