21198186

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 51226560

約数和(自身を除く): 30028374

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 81, 97, 114, 142, 162, 171, 194, 213, 291, 342, 426, 513, 582, 639, 873, 1026, 1278, 1349, 1539, 1746, 1843, 1917, 2619, 2698, 3078, 3686, 3834, 4047, 5238, 5529, 5751, 6887, 7857, 8094, 11058, 11502, 12141, 13774, 15714, 16587, 20661, 24282, 33174, 36423, 41322, 49761, 61983, 72846, 99522, 109269, 123966, 130853, 149283, 185949, 218538, 261706, 298566, 371898, 392559, 557847, 785118, 1115694, 1177677, 2355354, 3533031, 7066062, 10599093, 21198186]

約数ペア:

[(1, 21198186), (2, 10599093), (3, 7066062), (6, 3533031), (9, 2355354), (18, 1177677), (19, 1115694), (27, 785118), (38, 557847), (54, 392559), (57, 371898), (71, 298566), (81, 261706), (97, 218538), (114, 185949), (142, 149283), (162, 130853), (171, 123966), (194, 109269), (213, 99522), (291, 72846), (342, 61983), (426, 49761), (513, 41322), (582, 36423), (639, 33174), (873, 24282), (1026, 20661), (1278, 16587), (1349, 15714), (1539, 13774), (1746, 12141), (1843, 11502), (1917, 11058), (2619, 8094), (2698, 7857), (3078, 6887), (3686, 5751), (3834, 5529), (4047, 5238)]