21483726

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 47184768

約数和(自身を除く): 25701042

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 163, 326, 489, 978, 1793, 1997, 3586, 3994, 5379, 5991, 10758, 11982, 21967, 43934, 65901, 131802, 325511, 651022, 976533, 1953066, 3580621, 7161242, 10741863, 21483726]

約数ペア:

[(1, 21483726), (2, 10741863), (3, 7161242), (6, 3580621), (11, 1953066), (22, 976533), (33, 651022), (66, 325511), (163, 131802), (326, 65901), (489, 43934), (978, 21967), (1793, 11982), (1997, 10758), (3586, 5991), (3994, 5379)]