21903504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 70471680

約数和(自身を除く): 48568176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 47, 48, 56, 57, 73, 76, 84, 94, 112, 114, 133, 141, 146, 152, 168, 188, 219, 228, 266, 282, 292, 304, 329, 336, 376, 399, 438, 456, 511, 532, 564, 584, 658, 752, 798, 876, 893, 912, 987, 1022, 1064, 1128, 1168, 1316, 1387, 1533, 1596, 1752, 1786, 1974, 2044, 2128, 2256, 2632, 2679, 2774, 3066, 3192, 3431, 3504, 3572, 3948, 4088, 4161, 5264, 5358, 5548, 6132, 6251, 6384, 6862, 7144, 7896, 8176, 8322, 9709, 10293, 10716, 11096, 12264, 12502, 13724, 14288, 15792, 16644, 18753, 19418, 20586, 21432, 22192, 24017, 24528, 25004, 27448, 29127, 33288, 37506, 38836, 41172, 42864, 48034, 50008, 54896, 58254, 65189, 66576, 72051, 75012, 77672, 82344, 96068, 100016, 116508, 130378, 144102, 150024, 155344, 164688, 192136, 195567, 233016, 260756, 288204, 300048, 384272, 391134, 456323, 466032, 521512, 576408, 782268, 912646, 1043024, 1152816, 1368969, 1564536, 1825292, 2737938, 3129072, 3650584, 5475876, 7301168, 10951752, 21903504]

約数ペア:

[(1, 21903504), (2, 10951752), (3, 7301168), (4, 5475876), (6, 3650584), (7, 3129072), (8, 2737938), (12, 1825292), (14, 1564536), (16, 1368969), (19, 1152816), (21, 1043024), (24, 912646), (28, 782268), (38, 576408), (42, 521512), (47, 466032), (48, 456323), (56, 391134), (57, 384272), (73, 300048), (76, 288204), (84, 260756), (94, 233016), (112, 195567), (114, 192136), (133, 164688), (141, 155344), (146, 150024), (152, 144102), (168, 130378), (188, 116508), (219, 100016), (228, 96068), (266, 82344), (282, 77672), (292, 75012), (304, 72051), (329, 66576), (336, 65189), (376, 58254), (399, 54896), (438, 50008), (456, 48034), (511, 42864), (532, 41172), (564, 38836), (584, 37506), (658, 33288), (752, 29127), (798, 27448), (876, 25004), (893, 24528), (912, 24017), (987, 22192), (1022, 21432), (1064, 20586), (1128, 19418), (1168, 18753), (1316, 16644), (1387, 15792), (1533, 14288), (1596, 13724), (1752, 12502), (1786, 12264), (1974, 11096), (2044, 10716), (2128, 10293), (2256, 9709), (2632, 8322), (2679, 8176), (2774, 7896), (3066, 7144), (3192, 6862), (3431, 6384), (3504, 6251), (3572, 6132), (3948, 5548), (4088, 5358), (4161, 5264)]