21379380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1117}}^1$

素因数の和:1169

約数の個数: 96

約数和(自身を含む): 67616640

約数和(自身を除く): 46237260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1117, 1276, 1595, 1740, 1914, 2234, 3190, 3351, 3828, 4468, 4785, 5585, 6380, 6702, 9570, 11170, 12287, 13404, 16755, 19140, 22340, 24574, 32393, 33510, 36861, 49148, 61435, 64786, 67020, 73722, 97179, 122870, 129572, 147444, 161965, 184305, 194358, 245740, 323930, 356323, 368610, 388716, 485895, 647860, 712646, 737220, 971790, 1068969, 1425292, 1781615, 1943580, 2137938, 3563230, 4275876, 5344845, 7126460, 10689690, 21379380]

約数ペア:

[(1, 21379380), (2, 10689690), (3, 7126460), (4, 5344845), (5, 4275876), (6, 3563230), (10, 2137938), (11, 1943580), (12, 1781615), (15, 1425292), (20, 1068969), (22, 971790), (29, 737220), (30, 712646), (33, 647860), (44, 485895), (55, 388716), (58, 368610), (60, 356323), (66, 323930), (87, 245740), (110, 194358), (116, 184305), (132, 161965), (145, 147444), (165, 129572), (174, 122870), (220, 97179), (290, 73722), (319, 67020), (330, 64786), (348, 61435), (435, 49148), (580, 36861), (638, 33510), (660, 32393), (870, 24574), (957, 22340), (1117, 19140), (1276, 16755), (1595, 13404), (1740, 12287), (1914, 11170), (2234, 9570), (3190, 6702), (3351, 6380), (3828, 5585), (4468, 4785)]