21025648

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{827}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 46818432

約数和(自身を除く): 25792784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 827, 908, 1589, 1654, 1816, 3178, 3308, 3632, 5789, 6356, 6616, 11578, 12712, 13232, 23156, 25424, 46312, 92624, 187729, 375458, 750916, 1314103, 1501832, 2628206, 3003664, 5256412, 10512824, 21025648]

約数ペア:

[(1, 21025648), (2, 10512824), (4, 5256412), (7, 3003664), (8, 2628206), (14, 1501832), (16, 1314103), (28, 750916), (56, 375458), (112, 187729), (227, 92624), (454, 46312), (827, 25424), (908, 23156), (1589, 13232), (1654, 12712), (1816, 11578), (3178, 6616), (3308, 6356), (3632, 5789)]