21371042

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 40535424

約数和(自身を除く): 19164382

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 1901, 3802, 5621, 11242, 13307, 20911, 26614, 41822, 138773, 146377, 277546, 292754, 971411, 1526503, 1942822, 3053006, 10685521, 21371042]

約数ペア:

[(1, 21371042), (2, 10685521), (7, 3053006), (11, 1942822), (14, 1526503), (22, 971411), (73, 292754), (77, 277546), (146, 146377), (154, 138773), (511, 41822), (803, 26614), (1022, 20911), (1606, 13307), (1901, 11242), (3802, 5621)]