21903488

素因数分解:

$2^7\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 43896720

約数和(自身を除く): 21993232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 422, 811, 844, 1622, 1688, 3244, 3376, 6488, 6752, 12976, 13504, 25952, 27008, 51904, 103808, 171121, 342242, 684484, 1368968, 2737936, 5475872, 10951744, 21903488]

約数ペア:

[(1, 21903488), (2, 10951744), (4, 5475872), (8, 2737936), (16, 1368968), (32, 684484), (64, 342242), (128, 171121), (211, 103808), (422, 51904), (811, 27008), (844, 25952), (1622, 13504), (1688, 12976), (3244, 6752), (3376, 6488)]