21038472

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 192

約数和(自身を含む): 74256000

約数和(自身を除く): 53217528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 114, 117, 126, 133, 152, 156, 168, 169, 171, 182, 228, 234, 247, 252, 266, 273, 312, 338, 342, 364, 399, 456, 468, 494, 504, 507, 532, 546, 676, 684, 728, 741, 798, 819, 936, 988, 1014, 1064, 1092, 1183, 1197, 1352, 1368, 1482, 1521, 1596, 1638, 1729, 1976, 2028, 2184, 2197, 2223, 2366, 2394, 2964, 3042, 3192, 3211, 3276, 3458, 3549, 4056, 4394, 4446, 4732, 4788, 5187, 5928, 6084, 6422, 6552, 6591, 6916, 7098, 8788, 8892, 9464, 9576, 9633, 10374, 10647, 12168, 12844, 13182, 13832, 14196, 15379, 15561, 17576, 17784, 19266, 19773, 20748, 21294, 22477, 25688, 26364, 28392, 28899, 30758, 31122, 38532, 39546, 41496, 41743, 42588, 44954, 46137, 52728, 57798, 61516, 62244, 67431, 77064, 79092, 83486, 85176, 89908, 92274, 115596, 123032, 124488, 125229, 134862, 138411, 158184, 166972, 179816, 184548, 202293, 231192, 250458, 269724, 276822, 292201, 333944, 369096, 375687, 404586, 500916, 539448, 553644, 584402, 751374, 809172, 876603, 1001832, 1107288, 1168804, 1502748, 1618344, 1753206, 2337608, 2629809, 3005496, 3506412, 5259618, 7012824, 10519236, 21038472]

約数ペア:

[(1, 21038472), (2, 10519236), (3, 7012824), (4, 5259618), (6, 3506412), (7, 3005496), (8, 2629809), (9, 2337608), (12, 1753206), (13, 1618344), (14, 1502748), (18, 1168804), (19, 1107288), (21, 1001832), (24, 876603), (26, 809172), (28, 751374), (36, 584402), (38, 553644), (39, 539448), (42, 500916), (52, 404586), (56, 375687), (57, 369096), (63, 333944), (72, 292201), (76, 276822), (78, 269724), (84, 250458), (91, 231192), (104, 202293), (114, 184548), (117, 179816), (126, 166972), (133, 158184), (152, 138411), (156, 134862), (168, 125229), (169, 124488), (171, 123032), (182, 115596), (228, 92274), (234, 89908), (247, 85176), (252, 83486), (266, 79092), (273, 77064), (312, 67431), (338, 62244), (342, 61516), (364, 57798), (399, 52728), (456, 46137), (468, 44954), (494, 42588), (504, 41743), (507, 41496), (532, 39546), (546, 38532), (676, 31122), (684, 30758), (728, 28899), (741, 28392), (798, 26364), (819, 25688), (936, 22477), (988, 21294), (1014, 20748), (1064, 19773), (1092, 19266), (1183, 17784), (1197, 17576), (1352, 15561), (1368, 15379), (1482, 14196), (1521, 13832), (1596, 13182), (1638, 12844), (1729, 12168), (1976, 10647), (2028, 10374), (2184, 9633), (2197, 9576), (2223, 9464), (2366, 8892), (2394, 8788), (2964, 7098), (3042, 6916), (3192, 6591), (3211, 6552), (3276, 6422), (3458, 6084), (3549, 5928), (4056, 5187), (4394, 4788), (4446, 4732)]