21299824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14629}}^1$

素因数の和:14657

約数の個数: 40

約数和(自身を含む): 50795360

約数和(自身を除く): 29495536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14629, 29258, 58516, 102403, 117032, 190177, 204806, 234064, 380354, 409612, 760708, 819224, 1331239, 1521416, 1638448, 2662478, 3042832, 5324956, 10649912, 21299824]

約数ペア:

[(1, 21299824), (2, 10649912), (4, 5324956), (7, 3042832), (8, 2662478), (13, 1638448), (14, 1521416), (16, 1331239), (26, 819224), (28, 760708), (52, 409612), (56, 380354), (91, 234064), (104, 204806), (112, 190177), (182, 117032), (208, 102403), (364, 58516), (728, 29258), (1456, 14629)]