21666582

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 58152960

約数和(自身を除く): 36486378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 43, 54, 62, 63, 86, 93, 126, 129, 186, 189, 217, 258, 279, 301, 378, 387, 434, 558, 602, 651, 774, 837, 903, 1161, 1302, 1333, 1674, 1806, 1849, 1953, 2322, 2666, 2709, 3698, 3906, 3999, 5418, 5547, 5859, 7998, 8127, 9331, 11094, 11718, 11997, 12943, 16254, 16641, 18662, 23994, 25886, 27993, 33282, 35991, 38829, 49923, 55986, 57319, 71982, 77658, 83979, 99846, 114638, 116487, 167958, 171957, 232974, 251937, 343914, 349461, 401233, 503874, 515871, 698922, 802466, 1031742, 1203699, 1547613, 2407398, 3095226, 3611097, 7222194, 10833291, 21666582]

約数ペア:

[(1, 21666582), (2, 10833291), (3, 7222194), (6, 3611097), (7, 3095226), (9, 2407398), (14, 1547613), (18, 1203699), (21, 1031742), (27, 802466), (31, 698922), (42, 515871), (43, 503874), (54, 401233), (62, 349461), (63, 343914), (86, 251937), (93, 232974), (126, 171957), (129, 167958), (186, 116487), (189, 114638), (217, 99846), (258, 83979), (279, 77658), (301, 71982), (378, 57319), (387, 55986), (434, 49923), (558, 38829), (602, 35991), (651, 33282), (774, 27993), (837, 25886), (903, 23994), (1161, 18662), (1302, 16641), (1333, 16254), (1674, 12943), (1806, 11997), (1849, 11718), (1953, 11094), (2322, 9331), (2666, 8127), (2709, 7998), (3698, 5859), (3906, 5547), (3999, 5418)]