21216050

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{2011}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 39668592

約数和(自身を除く): 18452542

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 2011, 2110, 4022, 5275, 10055, 10550, 20110, 50275, 100550, 424321, 848642, 2121605, 4243210, 10608025, 21216050]

約数ペア:

[(1, 21216050), (2, 10608025), (5, 4243210), (10, 2121605), (25, 848642), (50, 424321), (211, 100550), (422, 50275), (1055, 20110), (2011, 10550), (2110, 10055), (4022, 5275)]