21276618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 50042880

約数和(自身を除く): 28766262

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 47, 57, 66, 94, 114, 141, 209, 282, 361, 418, 517, 627, 722, 893, 1034, 1083, 1254, 1551, 1786, 2166, 2679, 3102, 3971, 5358, 6859, 7942, 9823, 11913, 13718, 16967, 19646, 20577, 23826, 29469, 33934, 41154, 50901, 58938, 75449, 101802, 150898, 186637, 226347, 322373, 373274, 452694, 559911, 644746, 967119, 1119822, 1934238, 3546103, 7092206, 10638309, 21276618]

約数ペア:

[(1, 21276618), (2, 10638309), (3, 7092206), (6, 3546103), (11, 1934238), (19, 1119822), (22, 967119), (33, 644746), (38, 559911), (47, 452694), (57, 373274), (66, 322373), (94, 226347), (114, 186637), (141, 150898), (209, 101802), (282, 75449), (361, 58938), (418, 50901), (517, 41154), (627, 33934), (722, 29469), (893, 23826), (1034, 20577), (1083, 19646), (1254, 16967), (1551, 13718), (1786, 11913), (2166, 9823), (2679, 7942), (3102, 6859), (3971, 5358)]