21094760450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{42457}}^1$

素因数の和:43011

約数の個数: 48

約数和(自身を含む): 41381265120

約数和(自身を除く): 20286504670

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 523, 950, 1046, 2615, 5230, 9937, 13075, 19874, 26150, 42457, 49685, 84914, 99370, 212285, 248425, 424570, 496850, 806683, 1061425, 1613366, 2122850, 4033415, 8066830, 20167075, 22205011, 40334150, 44410022, 111025055, 222050110, 421895209, 555125275, 843790418, 1110250550, 2109476045, 4218952090, 10547380225, 21094760450]

約数ペア:

[(1, 21094760450), (2, 10547380225), (5, 4218952090), (10, 2109476045), (19, 1110250550), (25, 843790418), (38, 555125275), (50, 421895209), (95, 222050110), (190, 111025055), (475, 44410022), (523, 40334150), (950, 22205011), (1046, 20167075), (2615, 8066830), (5230, 4033415), (9937, 2122850), (13075, 1613366), (19874, 1061425), (26150, 806683), (42457, 496850), (49685, 424570), (84914, 248425), (99370, 212285)]