21047672

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 40843920

約数和(自身を除く): 19796248

約数列:

[1, 2, 4, 8, 37, 74, 148, 211, 296, 337, 422, 674, 844, 1348, 1688, 2696, 7807, 12469, 15614, 24938, 31228, 49876, 62456, 71107, 99752, 142214, 284428, 568856, 2630959, 5261918, 10523836, 21047672]

約数ペア:

[(1, 21047672), (2, 10523836), (4, 5261918), (8, 2630959), (37, 568856), (74, 284428), (148, 142214), (211, 99752), (296, 71107), (337, 62456), (422, 49876), (674, 31228), (844, 24938), (1348, 15614), (1688, 12469), (2696, 7807)]