21173068

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39799}}^1$

素因数の和:39829

約数の個数: 24

約数和(自身を含む): 44576000

約数和(自身を除く): 23402932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39799, 79598, 159196, 278593, 557186, 756181, 1114372, 1512362, 3024724, 5293267, 10586534, 21173068]

約数ペア:

[(1, 21173068), (2, 10586534), (4, 5293267), (7, 3024724), (14, 1512362), (19, 1114372), (28, 756181), (38, 557186), (76, 278593), (133, 159196), (266, 79598), (532, 39799)]