21647612

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5813}}^1$

素因数の和:5850

約数の個数: 36

約数和(自身を含む): 46395720

約数和(自身を除く): 24748108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5813, 11626, 23252, 40691, 81382, 110447, 162764, 220894, 284837, 441788, 569674, 773129, 1139348, 1546258, 3092516, 5411903, 10823806, 21647612]

約数ペア:

[(1, 21647612), (2, 10823806), (4, 5411903), (7, 3092516), (14, 1546258), (19, 1139348), (28, 773129), (38, 569674), (49, 441788), (76, 284837), (98, 220894), (133, 162764), (196, 110447), (266, 81382), (532, 40691), (931, 23252), (1862, 11626), (3724, 5813)]