21699132

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 64425984

約数和(自身を除く): 42726852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 641, 651, 806, 868, 1092, 1209, 1282, 1302, 1612, 1923, 2418, 2564, 2604, 2821, 3846, 4487, 4836, 5642, 7692, 8333, 8463, 8974, 11284, 13461, 16666, 16926, 17948, 19871, 24999, 26922, 33332, 33852, 39742, 49998, 53844, 58331, 59613, 79484, 99996, 116662, 119226, 139097, 174993, 233324, 238452, 258323, 278194, 349986, 417291, 516646, 556388, 699972, 774969, 834582, 1033292, 1549938, 1669164, 1808261, 3099876, 3616522, 5424783, 7233044, 10849566, 21699132]

約数ペア:

[(1, 21699132), (2, 10849566), (3, 7233044), (4, 5424783), (6, 3616522), (7, 3099876), (12, 1808261), (13, 1669164), (14, 1549938), (21, 1033292), (26, 834582), (28, 774969), (31, 699972), (39, 556388), (42, 516646), (52, 417291), (62, 349986), (78, 278194), (84, 258323), (91, 238452), (93, 233324), (124, 174993), (156, 139097), (182, 119226), (186, 116662), (217, 99996), (273, 79484), (364, 59613), (372, 58331), (403, 53844), (434, 49998), (546, 39742), (641, 33852), (651, 33332), (806, 26922), (868, 24999), (1092, 19871), (1209, 17948), (1282, 16926), (1302, 16666), (1612, 13461), (1923, 11284), (2418, 8974), (2564, 8463), (2604, 8333), (2821, 7692), (3846, 5642), (4487, 4836)]