21978264

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1699}}^1$

素因数の和:1733

約数の個数: 96

約数和(自身を含む): 69768000

約数和(自身を除く): 47789736

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 132, 147, 154, 168, 196, 231, 264, 294, 308, 392, 462, 539, 588, 616, 924, 1078, 1176, 1617, 1699, 1848, 2156, 3234, 3398, 4312, 5097, 6468, 6796, 10194, 11893, 12936, 13592, 18689, 20388, 23786, 35679, 37378, 40776, 47572, 56067, 71358, 74756, 83251, 95144, 112134, 130823, 142716, 149512, 166502, 224268, 249753, 261646, 285432, 333004, 392469, 448536, 499506, 523292, 666008, 784938, 915761, 999012, 1046584, 1569876, 1831522, 1998024, 2747283, 3139752, 3663044, 5494566, 7326088, 10989132, 21978264]

約数ペア:

[(1, 21978264), (2, 10989132), (3, 7326088), (4, 5494566), (6, 3663044), (7, 3139752), (8, 2747283), (11, 1998024), (12, 1831522), (14, 1569876), (21, 1046584), (22, 999012), (24, 915761), (28, 784938), (33, 666008), (42, 523292), (44, 499506), (49, 448536), (56, 392469), (66, 333004), (77, 285432), (84, 261646), (88, 249753), (98, 224268), (132, 166502), (147, 149512), (154, 142716), (168, 130823), (196, 112134), (231, 95144), (264, 83251), (294, 74756), (308, 71358), (392, 56067), (462, 47572), (539, 40776), (588, 37378), (616, 35679), (924, 23786), (1078, 20388), (1176, 18689), (1617, 13592), (1699, 12936), (1848, 11893), (2156, 10194), (3234, 6796), (3398, 6468), (4312, 5097)]