21842184

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 68624640

約数和(自身を除く): 46782456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 73, 78, 84, 91, 104, 137, 146, 156, 168, 182, 219, 273, 274, 292, 312, 364, 411, 438, 511, 546, 548, 584, 728, 822, 876, 949, 959, 1022, 1092, 1096, 1533, 1644, 1752, 1781, 1898, 1918, 2044, 2184, 2847, 2877, 3066, 3288, 3562, 3796, 3836, 4088, 5343, 5694, 5754, 6132, 6643, 7124, 7592, 7672, 10001, 10686, 11388, 11508, 12264, 12467, 13286, 14248, 19929, 20002, 21372, 22776, 23016, 24934, 26572, 30003, 37401, 39858, 40004, 42744, 49868, 53144, 60006, 70007, 74802, 79716, 80008, 99736, 120012, 130013, 140014, 149604, 159432, 210021, 240024, 260026, 280028, 299208, 390039, 420042, 520052, 560056, 780078, 840084, 910091, 1040104, 1560156, 1680168, 1820182, 2730273, 3120312, 3640364, 5460546, 7280728, 10921092, 21842184]

約数ペア:

[(1, 21842184), (2, 10921092), (3, 7280728), (4, 5460546), (6, 3640364), (7, 3120312), (8, 2730273), (12, 1820182), (13, 1680168), (14, 1560156), (21, 1040104), (24, 910091), (26, 840084), (28, 780078), (39, 560056), (42, 520052), (52, 420042), (56, 390039), (73, 299208), (78, 280028), (84, 260026), (91, 240024), (104, 210021), (137, 159432), (146, 149604), (156, 140014), (168, 130013), (182, 120012), (219, 99736), (273, 80008), (274, 79716), (292, 74802), (312, 70007), (364, 60006), (411, 53144), (438, 49868), (511, 42744), (546, 40004), (548, 39858), (584, 37401), (728, 30003), (822, 26572), (876, 24934), (949, 23016), (959, 22776), (1022, 21372), (1092, 20002), (1096, 19929), (1533, 14248), (1644, 13286), (1752, 12467), (1781, 12264), (1898, 11508), (1918, 11388), (2044, 10686), (2184, 10001), (2847, 7672), (2877, 7592), (3066, 7124), (3288, 6643), (3562, 6132), (3796, 5754), (3836, 5694), (4088, 5343)]