21192108

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 60060672

約数和(自身を除く): 38868564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1567, 1932, 2254, 3134, 3381, 4508, 4701, 6268, 6762, 9402, 10969, 13524, 18804, 21938, 32907, 36041, 43876, 65814, 72082, 76783, 108123, 131628, 144164, 153566, 216246, 230349, 252287, 307132, 432492, 460698, 504574, 756861, 921396, 1009148, 1513722, 1766009, 3027444, 3532018, 5298027, 7064036, 10596054, 21192108]

約数ペア:

[(1, 21192108), (2, 10596054), (3, 7064036), (4, 5298027), (6, 3532018), (7, 3027444), (12, 1766009), (14, 1513722), (21, 1009148), (23, 921396), (28, 756861), (42, 504574), (46, 460698), (49, 432492), (69, 307132), (84, 252287), (92, 230349), (98, 216246), (138, 153566), (147, 144164), (161, 131628), (196, 108123), (276, 76783), (294, 72082), (322, 65814), (483, 43876), (588, 36041), (644, 32907), (966, 21938), (1127, 18804), (1567, 13524), (1932, 10969), (2254, 9402), (3134, 6762), (3381, 6268), (4508, 4701)]