21249180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118051}}^1$

素因数の和:118066

約数の個数: 36

約数和(自身を含む): 64456392

約数和(自身を除く): 43207212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118051, 236102, 354153, 472204, 590255, 708306, 1062459, 1180510, 1416612, 1770765, 2124918, 2361020, 3541530, 4249836, 5312295, 7083060, 10624590, 21249180]

約数ペア:

[(1, 21249180), (2, 10624590), (3, 7083060), (4, 5312295), (5, 4249836), (6, 3541530), (9, 2361020), (10, 2124918), (12, 1770765), (15, 1416612), (18, 1180510), (20, 1062459), (30, 708306), (36, 590255), (45, 472204), (60, 354153), (90, 236102), (180, 118051)]