21047743444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{171583}}^1$

素因数の和:171944

約数の個数: 48

約数和(自身を含む): 45468387328

約数和(自身を除く): 24420643884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 337, 364, 674, 1348, 2359, 4381, 4718, 8762, 9436, 17524, 30667, 61334, 122668, 171583, 343166, 686332, 1201081, 2230579, 2402162, 4461158, 4804324, 8922316, 15614053, 31228106, 57823471, 62456212, 115646942, 231293884, 404764297, 751705123, 809528594, 1503410246, 1619057188, 3006820492, 5261935861, 10523871722, 21047743444]

約数ペア:

[(1, 21047743444), (2, 10523871722), (4, 5261935861), (7, 3006820492), (13, 1619057188), (14, 1503410246), (26, 809528594), (28, 751705123), (52, 404764297), (91, 231293884), (182, 115646942), (337, 62456212), (364, 57823471), (674, 31228106), (1348, 15614053), (2359, 8922316), (4381, 4804324), (4718, 4461158), (8762, 2402162), (9436, 2230579), (17524, 1201081), (30667, 686332), (61334, 343166), (122668, 171583)]