2100220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 4443264

約数和(自身を除く): 2343044

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 607, 692, 865, 1214, 1730, 2428, 3035, 3460, 6070, 12140, 105011, 210022, 420044, 525055, 1050110, 2100220]

約数ペア:

[(1, 2100220), (2, 1050110), (4, 525055), (5, 420044), (10, 210022), (20, 105011), (173, 12140), (346, 6070), (607, 3460), (692, 3035), (865, 2428), (1214, 1730)]