21857914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 37287936

約数和(自身を除く): 15430022

約数列:

[1, 2, 13, 26, 31, 47, 62, 94, 403, 577, 611, 806, 1154, 1222, 1457, 2914, 7501, 15002, 17887, 18941, 27119, 35774, 37882, 54238, 232531, 352547, 465062, 705094, 840689, 1681378, 10928957, 21857914]

約数ペア:

[(1, 21857914), (2, 10928957), (13, 1681378), (26, 840689), (31, 705094), (47, 465062), (62, 352547), (94, 232531), (403, 54238), (577, 37882), (611, 35774), (806, 27119), (1154, 18941), (1222, 17887), (1457, 15002), (2914, 7501)]