215022100

素因数分解:

$2^2\times 5^2\times {\mathrm{2150221}}^1$

素因数の和:2150235

約数の個数: 18

約数和(自身を含む): 466598174

約数和(自身を除く): 251576074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2150221, 4300442, 8600884, 10751105, 21502210, 43004420, 53755525, 107511050, 215022100]

約数ペア:

[(1, 215022100), (2, 107511050), (4, 53755525), (5, 43004420), (10, 21502210), (20, 10751105), (25, 8600884), (50, 4300442), (100, 2150221)]