21619320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180161}}^1$

素因数の和:180175

約数の個数: 32

約数和(自身を含む): 64858320

約数和(自身を除く): 43239000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180161, 360322, 540483, 720644, 900805, 1080966, 1441288, 1801610, 2161932, 2702415, 3603220, 4323864, 5404830, 7206440, 10809660, 21619320]

約数ペア:

[(1, 21619320), (2, 10809660), (3, 7206440), (4, 5404830), (5, 4323864), (6, 3603220), (8, 2702415), (10, 2161932), (12, 1801610), (15, 1441288), (20, 1080966), (24, 900805), (30, 720644), (40, 540483), (60, 360322), (120, 180161)]