21111248

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{1373}}^1$

素因数の和:1443

約数の個数: 30

約数和(自身を含む): 42295842

約数和(自身を除く): 21184594

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1373, 1922, 2746, 3844, 5492, 7688, 10984, 15376, 21968, 42563, 85126, 170252, 340504, 681008, 1319453, 2638906, 5277812, 10555624, 21111248]

約数ペア:

[(1, 21111248), (2, 10555624), (4, 5277812), (8, 2638906), (16, 1319453), (31, 681008), (62, 340504), (124, 170252), (248, 85126), (496, 42563), (961, 21968), (1373, 15376), (1922, 10984), (2746, 7688), (3844, 5492)]