21742700620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15311761}}^1$

素因数の和:15311841

約数の個数: 24

約数和(自身を含む): 46302768288

約数和(自身を除く): 24560067668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15311761, 30623522, 61247044, 76558805, 153117610, 306235220, 1087135031, 2174270062, 4348540124, 5435675155, 10871350310, 21742700620]

約数ペア:

[(1, 21742700620), (2, 10871350310), (4, 5435675155), (5, 4348540124), (10, 2174270062), (20, 1087135031), (71, 306235220), (142, 153117610), (284, 76558805), (355, 61247044), (710, 30623522), (1420, 15311761)]