21268716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8731}}^1$

素因数の和:8774

約数の個数: 48

約数和(自身を含む): 58679040

約数和(自身を除く): 37410324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8731, 17462, 26193, 34924, 52386, 61117, 104772, 122234, 183351, 244468, 253199, 366702, 506398, 733404, 759597, 1012796, 1519194, 1772393, 3038388, 3544786, 5317179, 7089572, 10634358, 21268716]

約数ペア:

[(1, 21268716), (2, 10634358), (3, 7089572), (4, 5317179), (6, 3544786), (7, 3038388), (12, 1772393), (14, 1519194), (21, 1012796), (28, 759597), (29, 733404), (42, 506398), (58, 366702), (84, 253199), (87, 244468), (116, 183351), (174, 122234), (203, 104772), (348, 61117), (406, 52386), (609, 34924), (812, 26193), (1218, 17462), (2436, 8731)]