21075458

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1613}}^1$

素因数の和:1801

約数の個数: 16

約数和(自身を含む): 32538240

約数和(自身を除く): 11462782

約数列:

[1, 2, 47, 94, 139, 278, 1613, 3226, 6533, 13066, 75811, 151622, 224207, 448414, 10537729, 21075458]

約数ペア:

[(1, 21075458), (2, 10537729), (47, 448414), (94, 224207), (139, 151622), (278, 75811), (1613, 13066), (3226, 6533)]