21000201675

素因数分解:

$3^1\times 5^2\times {\mathrm{3761}}^1\times {\mathrm{74449}}^1$

素因数の和:78223

約数の個数: 24

約数和(自身を含む): 34730031600

約数和(自身を除く): 13729829925

約数列:

[1, 3, 5, 15, 25, 75, 3761, 11283, 18805, 56415, 74449, 94025, 223347, 282075, 372245, 1116735, 1861225, 5583675, 280002689, 840008067, 1400013445, 4200040335, 7000067225, 21000201675]

約数ペア:

[(1, 21000201675), (3, 7000067225), (5, 4200040335), (15, 1400013445), (25, 840008067), (75, 280002689), (3761, 5583675), (11283, 1861225), (18805, 1116735), (56415, 372245), (74449, 282075), (94025, 223347)]