21520162

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 24

約数和(自身を含む): 34177428

約数和(自身を除く): 12657266

約数列:

[1, 2, 37, 41, 74, 82, 173, 346, 1517, 1681, 3034, 3362, 6401, 7093, 12802, 14186, 62197, 124394, 262441, 290813, 524882, 581626, 10760081, 21520162]

約数ペア:

[(1, 21520162), (2, 10760081), (37, 581626), (41, 524882), (74, 290813), (82, 262441), (173, 124394), (346, 62197), (1517, 14186), (1681, 12802), (3034, 7093), (3362, 6401)]