21002492

素因数分解:

$2^2\times 7^1\times {\mathrm{827}}^1\times {\mathrm{907}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 42102144

約数和(自身を除く): 21099652

約数列:

[1, 2, 4, 7, 14, 28, 827, 907, 1654, 1814, 3308, 3628, 5789, 6349, 11578, 12698, 23156, 25396, 750089, 1500178, 3000356, 5250623, 10501246, 21002492]

約数ペア:

[(1, 21002492), (2, 10501246), (4, 5250623), (7, 3000356), (14, 1500178), (28, 750089), (827, 25396), (907, 23156), (1654, 12698), (1814, 11578), (3308, 6349), (3628, 5789)]