21419762

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 45505152

約数和(自身を除く): 24085390

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 43, 46, 49, 86, 91, 98, 119, 161, 182, 221, 238, 299, 301, 322, 391, 442, 559, 598, 602, 637, 731, 782, 833, 989, 1118, 1127, 1274, 1462, 1547, 1666, 1978, 2093, 2107, 2254, 2737, 3094, 3913, 4186, 4214, 5083, 5117, 5474, 6923, 7826, 9503, 10166, 10234, 10829, 12857, 13846, 14651, 16813, 19006, 19159, 21658, 25714, 27391, 29302, 33626, 35581, 35819, 38318, 48461, 54782, 66521, 71162, 71638, 89999, 96922, 117691, 133042, 179998, 218569, 235382, 249067, 437138, 465647, 498134, 629993, 823837, 931294, 1259986, 1529983, 1647674, 3059966, 10709881, 21419762]

約数ペア:

[(1, 21419762), (2, 10709881), (7, 3059966), (13, 1647674), (14, 1529983), (17, 1259986), (23, 931294), (26, 823837), (34, 629993), (43, 498134), (46, 465647), (49, 437138), (86, 249067), (91, 235382), (98, 218569), (119, 179998), (161, 133042), (182, 117691), (221, 96922), (238, 89999), (299, 71638), (301, 71162), (322, 66521), (391, 54782), (442, 48461), (559, 38318), (598, 35819), (602, 35581), (637, 33626), (731, 29302), (782, 27391), (833, 25714), (989, 21658), (1118, 19159), (1127, 19006), (1274, 16813), (1462, 14651), (1547, 13846), (1666, 12857), (1978, 10829), (2093, 10234), (2107, 10166), (2254, 9503), (2737, 7826), (3094, 6923), (3913, 5474), (4186, 5117), (4214, 5083)]