21139320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176161}}^1$

素因数の和:176175

約数の個数: 32

約数和(自身を含む): 63418320

約数和(自身を除く): 42279000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176161, 352322, 528483, 704644, 880805, 1056966, 1409288, 1761610, 2113932, 2642415, 3523220, 4227864, 5284830, 7046440, 10569660, 21139320]

約数ペア:

[(1, 21139320), (2, 10569660), (3, 7046440), (4, 5284830), (5, 4227864), (6, 3523220), (8, 2642415), (10, 2113932), (12, 1761610), (15, 1409288), (20, 1056966), (24, 880805), (30, 704644), (40, 528483), (60, 352322), (120, 176161)]