21000836318

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136369067}}^1$

素因数の和:136369087

約数の個数: 16

約数和(自身を含む): 39274291584

約数和(自身を除く): 18273455266

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136369067, 272738134, 954583469, 1500059737, 1909166938, 3000119474, 10500418159, 21000836318]

約数ペア:

[(1, 21000836318), (2, 10500418159), (7, 3000119474), (11, 1909166938), (14, 1500059737), (22, 954583469), (77, 272738134), (154, 136369067)]