21969180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{122051}}^1$

素因数の和:122066

約数の個数: 36

約数和(自身を含む): 66640392

約数和(自身を除く): 44671212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 122051, 244102, 366153, 488204, 610255, 732306, 1098459, 1220510, 1464612, 1830765, 2196918, 2441020, 3661530, 4393836, 5492295, 7323060, 10984590, 21969180]

約数ペア:

[(1, 21969180), (2, 10984590), (3, 7323060), (4, 5492295), (5, 4393836), (6, 3661530), (9, 2441020), (10, 2196918), (12, 1830765), (15, 1464612), (18, 1220510), (20, 1098459), (30, 732306), (36, 610255), (45, 488204), (60, 366153), (90, 244102), (180, 122051)]