21838610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35801}}^1$

素因数の和:35869

約数の個数: 16

約数和(自身を含む): 39955032

約数和(自身を除く): 18116422

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35801, 71602, 179005, 358010, 2183861, 4367722, 10919305, 21838610]

約数ペア:

[(1, 21838610), (2, 10919305), (5, 4367722), (10, 2183861), (61, 358010), (122, 179005), (305, 71602), (610, 35801)]