21000681210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700022707}}^1$

素因数の和:700022717

約数の個数: 16

約数和(自身を含む): 50401634976

約数和(自身を除く): 29400953766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700022707, 1400045414, 2100068121, 3500113535, 4200136242, 7000227070, 10500340605, 21000681210]

約数ペア:

[(1, 21000681210), (2, 10500340605), (3, 7000227070), (5, 4200136242), (6, 3500113535), (10, 2100068121), (15, 1400045414), (30, 700022707)]