21170528

素因数分解:

$2^5\times {\mathrm{317}}^1\times {\mathrm{2087}}^1$

素因数の和:2414

約数の個数: 24

約数和(自身を含む): 41830992

約数和(自身を除く): 20660464

約数列:

[1, 2, 4, 8, 16, 32, 317, 634, 1268, 2087, 2536, 4174, 5072, 8348, 10144, 16696, 33392, 66784, 661579, 1323158, 2646316, 5292632, 10585264, 21170528]

約数ペア:

[(1, 21170528), (2, 10585264), (4, 5292632), (8, 2646316), (16, 1323158), (32, 661579), (317, 66784), (634, 33392), (1268, 16696), (2087, 10144), (2536, 8348), (4174, 5072)]