21376368

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 67929680

約数和(自身を除く): 46553312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 601, 624, 684, 741, 912, 936, 988, 1202, 1368, 1482, 1803, 1872, 1976, 2223, 2404, 2736, 2964, 3606, 3952, 4446, 4808, 5409, 5928, 7212, 7813, 8892, 9616, 10818, 11419, 11856, 14424, 15626, 17784, 21636, 22838, 23439, 28848, 31252, 34257, 35568, 43272, 45676, 46878, 62504, 68514, 70317, 86544, 91352, 93756, 102771, 125008, 137028, 140634, 148447, 182704, 187512, 205542, 274056, 281268, 296894, 375024, 411084, 445341, 548112, 562536, 593788, 822168, 890682, 1125072, 1187576, 1336023, 1644336, 1781364, 2375152, 2672046, 3562728, 5344092, 7125456, 10688184, 21376368]

約数ペア:

[(1, 21376368), (2, 10688184), (3, 7125456), (4, 5344092), (6, 3562728), (8, 2672046), (9, 2375152), (12, 1781364), (13, 1644336), (16, 1336023), (18, 1187576), (19, 1125072), (24, 890682), (26, 822168), (36, 593788), (38, 562536), (39, 548112), (48, 445341), (52, 411084), (57, 375024), (72, 296894), (76, 281268), (78, 274056), (104, 205542), (114, 187512), (117, 182704), (144, 148447), (152, 140634), (156, 137028), (171, 125008), (208, 102771), (228, 93756), (234, 91352), (247, 86544), (304, 70317), (312, 68514), (342, 62504), (456, 46878), (468, 45676), (494, 43272), (601, 35568), (624, 34257), (684, 31252), (741, 28848), (912, 23439), (936, 22838), (988, 21636), (1202, 17784), (1368, 15626), (1482, 14424), (1803, 11856), (1872, 11419), (1976, 10818), (2223, 9616), (2404, 8892), (2736, 7813), (2964, 7212), (3606, 5928), (3952, 5409), (4446, 4808)]