21095508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38900652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 161, 179, 183, 244, 276, 322, 358, 366, 427, 483, 537, 644, 716, 732, 854, 966, 1074, 1253, 1281, 1403, 1708, 1932, 2148, 2506, 2562, 2806, 3759, 4117, 4209, 5012, 5124, 5612, 7518, 8234, 8418, 9821, 10919, 12351, 15036, 16468, 16836, 19642, 21838, 24702, 28819, 29463, 32757, 39284, 43676, 49404, 57638, 58926, 65514, 76433, 86457, 115276, 117852, 131028, 152866, 172914, 229299, 251137, 305732, 345828, 458598, 502274, 753411, 917196, 1004548, 1506822, 1757959, 3013644, 3515918, 5273877, 7031836, 10547754, 21095508]

約数ペア:

[(1, 21095508), (2, 10547754), (3, 7031836), (4, 5273877), (6, 3515918), (7, 3013644), (12, 1757959), (14, 1506822), (21, 1004548), (23, 917196), (28, 753411), (42, 502274), (46, 458598), (61, 345828), (69, 305732), (84, 251137), (92, 229299), (122, 172914), (138, 152866), (161, 131028), (179, 117852), (183, 115276), (244, 86457), (276, 76433), (322, 65514), (358, 58926), (366, 57638), (427, 49404), (483, 43676), (537, 39284), (644, 32757), (716, 29463), (732, 28819), (854, 24702), (966, 21838), (1074, 19642), (1253, 16836), (1281, 16468), (1403, 15036), (1708, 12351), (1932, 10919), (2148, 9821), (2506, 8418), (2562, 8234), (2806, 7518), (3759, 5612), (4117, 5124), (4209, 5012)]