21638568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6814

約数の個数: 64

約数和(自身を含む): 65088000

約数和(自身を除く): 43449432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6779, 13558, 20337, 27116, 40674, 47453, 54232, 81348, 94906, 128801, 142359, 162696, 189812, 257602, 284718, 379624, 386403, 515204, 569436, 772806, 901607, 1030408, 1138872, 1545612, 1803214, 2704821, 3091224, 3606428, 5409642, 7212856, 10819284, 21638568]

約数ペア:

[(1, 21638568), (2, 10819284), (3, 7212856), (4, 5409642), (6, 3606428), (7, 3091224), (8, 2704821), (12, 1803214), (14, 1545612), (19, 1138872), (21, 1030408), (24, 901607), (28, 772806), (38, 569436), (42, 515204), (56, 386403), (57, 379624), (76, 284718), (84, 257602), (114, 189812), (133, 162696), (152, 142359), (168, 128801), (228, 94906), (266, 81348), (399, 54232), (456, 47453), (532, 40674), (798, 27116), (1064, 20337), (1596, 13558), (3192, 6779)]