21208448

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{2473}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 42899160

約数和(自身を除く): 21690712

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 2473, 4288, 4946, 8576, 9892, 19784, 39568, 79136, 158272, 165691, 316544, 331382, 662764, 1325528, 2651056, 5302112, 10604224, 21208448]

約数ペア:

[(1, 21208448), (2, 10604224), (4, 5302112), (8, 2651056), (16, 1325528), (32, 662764), (64, 331382), (67, 316544), (128, 165691), (134, 158272), (268, 79136), (536, 39568), (1072, 19784), (2144, 9892), (2473, 8576), (4288, 4946)]