21613536

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 50091552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 142, 144, 151, 168, 213, 224, 252, 284, 288, 302, 336, 426, 453, 497, 504, 568, 604, 639, 672, 852, 906, 994, 1008, 1057, 1136, 1208, 1278, 1359, 1491, 1704, 1812, 1988, 2016, 2114, 2272, 2416, 2556, 2718, 2982, 3171, 3408, 3624, 3976, 4228, 4473, 4832, 5112, 5436, 5964, 6342, 6816, 7248, 7952, 8456, 8946, 9513, 10224, 10721, 10872, 11928, 12684, 14496, 15904, 16912, 17892, 19026, 20448, 21442, 21744, 23856, 25368, 32163, 33824, 35784, 38052, 42884, 43488, 47712, 50736, 64326, 71568, 75047, 76104, 85768, 96489, 101472, 128652, 143136, 150094, 152208, 171536, 192978, 225141, 257304, 300188, 304416, 343072, 385956, 450282, 514608, 600376, 675423, 771912, 900564, 1029216, 1200752, 1350846, 1543824, 1801128, 2401504, 2701692, 3087648, 3602256, 5403384, 7204512, 10806768, 21613536]

約数ペア:

[(1, 21613536), (2, 10806768), (3, 7204512), (4, 5403384), (6, 3602256), (7, 3087648), (8, 2701692), (9, 2401504), (12, 1801128), (14, 1543824), (16, 1350846), (18, 1200752), (21, 1029216), (24, 900564), (28, 771912), (32, 675423), (36, 600376), (42, 514608), (48, 450282), (56, 385956), (63, 343072), (71, 304416), (72, 300188), (84, 257304), (96, 225141), (112, 192978), (126, 171536), (142, 152208), (144, 150094), (151, 143136), (168, 128652), (213, 101472), (224, 96489), (252, 85768), (284, 76104), (288, 75047), (302, 71568), (336, 64326), (426, 50736), (453, 47712), (497, 43488), (504, 42884), (568, 38052), (604, 35784), (639, 33824), (672, 32163), (852, 25368), (906, 23856), (994, 21744), (1008, 21442), (1057, 20448), (1136, 19026), (1208, 17892), (1278, 16912), (1359, 15904), (1491, 14496), (1704, 12684), (1812, 11928), (1988, 10872), (2016, 10721), (2114, 10224), (2272, 9513), (2416, 8946), (2556, 8456), (2718, 7952), (2982, 7248), (3171, 6816), (3408, 6342), (3624, 5964), (3976, 5436), (4228, 5112), (4473, 4832)]