21731094

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15679}}^1$

素因数の和:15705

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 36974826

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15679, 31358, 47037, 94074, 109753, 141111, 172469, 219506, 282222, 329259, 344938, 517407, 658518, 987777, 1034814, 1207283, 1552221, 1975554, 2414566, 3104442, 3621849, 7243698, 10865547, 21731094]

約数ペア:

[(1, 21731094), (2, 10865547), (3, 7243698), (6, 3621849), (7, 3104442), (9, 2414566), (11, 1975554), (14, 1552221), (18, 1207283), (21, 1034814), (22, 987777), (33, 658518), (42, 517407), (63, 344938), (66, 329259), (77, 282222), (99, 219506), (126, 172469), (154, 141111), (198, 109753), (231, 94074), (462, 47037), (693, 31358), (1386, 15679)]