21300420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355007}}^1$

素因数の和:355019

約数の個数: 24

約数和(自身を含む): 59641344

約数和(自身を除く): 38340924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355007, 710014, 1065021, 1420028, 1775035, 2130042, 3550070, 4260084, 5325105, 7100140, 10650210, 21300420]

約数ペア:

[(1, 21300420), (2, 10650210), (3, 7100140), (4, 5325105), (5, 4260084), (6, 3550070), (10, 2130042), (12, 1775035), (15, 1420028), (20, 1065021), (30, 710014), (60, 355007)]