21042752

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1669}}^1$

素因数の和:1878

約数の個数: 28

約数和(自身を含む): 41993820

約数和(自身を除く): 20951068

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1576, 1669, 3152, 3338, 6304, 6676, 12608, 13352, 26704, 53408, 106816, 328793, 657586, 1315172, 2630344, 5260688, 10521376, 21042752]

約数ペア:

[(1, 21042752), (2, 10521376), (4, 5260688), (8, 2630344), (16, 1315172), (32, 657586), (64, 328793), (197, 106816), (394, 53408), (788, 26704), (1576, 13352), (1669, 12608), (3152, 6676), (3338, 6304)]