21442340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22811}}^1$

素因数の和:22867

約数の個数: 24

約数和(自身を含む): 45988992

約数和(自身を除く): 24546652

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22811, 45622, 91244, 114055, 228110, 456220, 1072117, 2144234, 4288468, 5360585, 10721170, 21442340]

約数ペア:

[(1, 21442340), (2, 10721170), (4, 5360585), (5, 4288468), (10, 2144234), (20, 1072117), (47, 456220), (94, 228110), (188, 114055), (235, 91244), (470, 45622), (940, 22811)]