21016816

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14759}}^1$

素因数の和:14856

約数の個数: 20

約数和(自身を含む): 41180400

約数和(自身を除く): 20163584

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14759, 29518, 59036, 118072, 236144, 1313551, 2627102, 5254204, 10508408, 21016816]

約数ペア:

[(1, 21016816), (2, 10508408), (4, 5254204), (8, 2627102), (16, 1313551), (89, 236144), (178, 118072), (356, 59036), (712, 29518), (1424, 14759)]