21095514890

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25416283}}^1$

素因数の和:25416373

約数の個数: 16

約数和(自身を含む): 38429421408

約数和(自身を除く): 17333906518

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 25416283, 50832566, 127081415, 254162830, 2109551489, 4219102978, 10547757445, 21095514890]

約数ペア:

[(1, 21095514890), (2, 10547757445), (5, 4219102978), (10, 2109551489), (83, 254162830), (166, 127081415), (415, 50832566), (830, 25416283)]