21617726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26821}}^1$

素因数の和:26867

約数の個数: 16

約数和(自身を含む): 36048768

約数和(自身を除く): 14431042

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26821, 53642, 348673, 697346, 831451, 1662902, 10808863, 21617726]

約数ペア:

[(1, 21617726), (2, 10808863), (13, 1662902), (26, 831451), (31, 697346), (62, 348673), (403, 53642), (806, 26821)]