21957936

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 76328448

約数和(自身を除く): 54370512

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 33, 39, 42, 44, 48, 52, 56, 66, 77, 78, 84, 88, 91, 104, 112, 132, 143, 154, 156, 168, 176, 182, 208, 231, 264, 273, 286, 308, 312, 336, 364, 429, 457, 462, 528, 546, 572, 616, 624, 728, 858, 914, 924, 1001, 1092, 1144, 1232, 1371, 1456, 1716, 1828, 1848, 2002, 2184, 2288, 2742, 3003, 3199, 3432, 3656, 3696, 4004, 4368, 5027, 5484, 5941, 6006, 6398, 6864, 7312, 8008, 9597, 10054, 10968, 11882, 12012, 12796, 15081, 16016, 17823, 19194, 20108, 21936, 23764, 24024, 25592, 30162, 35189, 35646, 38388, 40216, 41587, 47528, 48048, 51184, 60324, 65351, 70378, 71292, 76776, 80432, 83174, 95056, 105567, 120648, 124761, 130702, 140756, 142584, 153552, 166348, 196053, 211134, 241296, 249522, 261404, 281512, 285168, 332696, 392106, 422268, 457457, 499044, 522808, 563024, 665392, 784212, 844536, 914914, 998088, 1045616, 1372371, 1568424, 1689072, 1829828, 1996176, 2744742, 3136848, 3659656, 5489484, 7319312, 10978968, 21957936]

約数ペア:

[(1, 21957936), (2, 10978968), (3, 7319312), (4, 5489484), (6, 3659656), (7, 3136848), (8, 2744742), (11, 1996176), (12, 1829828), (13, 1689072), (14, 1568424), (16, 1372371), (21, 1045616), (22, 998088), (24, 914914), (26, 844536), (28, 784212), (33, 665392), (39, 563024), (42, 522808), (44, 499044), (48, 457457), (52, 422268), (56, 392106), (66, 332696), (77, 285168), (78, 281512), (84, 261404), (88, 249522), (91, 241296), (104, 211134), (112, 196053), (132, 166348), (143, 153552), (154, 142584), (156, 140756), (168, 130702), (176, 124761), (182, 120648), (208, 105567), (231, 95056), (264, 83174), (273, 80432), (286, 76776), (308, 71292), (312, 70378), (336, 65351), (364, 60324), (429, 51184), (457, 48048), (462, 47528), (528, 41587), (546, 40216), (572, 38388), (616, 35646), (624, 35189), (728, 30162), (858, 25592), (914, 24024), (924, 23764), (1001, 21936), (1092, 20108), (1144, 19194), (1232, 17823), (1371, 16016), (1456, 15081), (1716, 12796), (1828, 12012), (1848, 11882), (2002, 10968), (2184, 10054), (2288, 9597), (2742, 8008), (3003, 7312), (3199, 6864), (3432, 6398), (3656, 6006), (3696, 5941), (4004, 5484), (4368, 5027)]