21648592

素因数分解:

$2^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:596

約数の個数: 60

約数和(自身を含む): 49808196

約数和(自身を除く): 28159604

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 53, 56, 98, 106, 112, 196, 212, 371, 392, 424, 521, 742, 784, 848, 1042, 1484, 2084, 2597, 2968, 3647, 4168, 5194, 5936, 7294, 8336, 10388, 14588, 20776, 25529, 27613, 29176, 41552, 51058, 55226, 58352, 102116, 110452, 193291, 204232, 220904, 386582, 408464, 441808, 773164, 1353037, 1546328, 2706074, 3092656, 5412148, 10824296, 21648592]

約数ペア:

[(1, 21648592), (2, 10824296), (4, 5412148), (7, 3092656), (8, 2706074), (14, 1546328), (16, 1353037), (28, 773164), (49, 441808), (53, 408464), (56, 386582), (98, 220904), (106, 204232), (112, 193291), (196, 110452), (212, 102116), (371, 58352), (392, 55226), (424, 51058), (521, 41552), (742, 29176), (784, 27613), (848, 25529), (1042, 20776), (1484, 14588), (2084, 10388), (2597, 8336), (2968, 7294), (3647, 5936), (4168, 5194)]