21960666

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 62092800

約数和(自身を除く): 40132134

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 41, 42, 54, 63, 78, 82, 91, 109, 117, 123, 126, 182, 189, 218, 234, 246, 273, 287, 327, 351, 369, 378, 533, 546, 574, 654, 702, 738, 763, 819, 861, 981, 1066, 1107, 1417, 1526, 1599, 1638, 1722, 1962, 2214, 2289, 2457, 2583, 2834, 2943, 3198, 3731, 4251, 4469, 4578, 4797, 4914, 5166, 5886, 6867, 7462, 7749, 8502, 8938, 9594, 9919, 11193, 12753, 13407, 13734, 14391, 15498, 19838, 20601, 22386, 25506, 26814, 28782, 29757, 31283, 33579, 38259, 40221, 41202, 58097, 59514, 62566, 67158, 76518, 80442, 89271, 93849, 100737, 116194, 120663, 174291, 178542, 187698, 201474, 241326, 267813, 281547, 348582, 406679, 522873, 535626, 563094, 813358, 844641, 1045746, 1220037, 1568619, 1689282, 2440074, 3137238, 3660111, 7320222, 10980333, 21960666]

約数ペア:

[(1, 21960666), (2, 10980333), (3, 7320222), (6, 3660111), (7, 3137238), (9, 2440074), (13, 1689282), (14, 1568619), (18, 1220037), (21, 1045746), (26, 844641), (27, 813358), (39, 563094), (41, 535626), (42, 522873), (54, 406679), (63, 348582), (78, 281547), (82, 267813), (91, 241326), (109, 201474), (117, 187698), (123, 178542), (126, 174291), (182, 120663), (189, 116194), (218, 100737), (234, 93849), (246, 89271), (273, 80442), (287, 76518), (327, 67158), (351, 62566), (369, 59514), (378, 58097), (533, 41202), (546, 40221), (574, 38259), (654, 33579), (702, 31283), (738, 29757), (763, 28782), (819, 26814), (861, 25506), (981, 22386), (1066, 20601), (1107, 19838), (1417, 15498), (1526, 14391), (1599, 13734), (1638, 13407), (1722, 12753), (1962, 11193), (2214, 9919), (2289, 9594), (2457, 8938), (2583, 8502), (2834, 7749), (2943, 7462), (3198, 6867), (3731, 5886), (4251, 5166), (4469, 4914), (4578, 4797)]