21000724757

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1\times {\mathrm{17029}}^1$

素因数の和:18476

約数の個数: 16

約数和(自身を含む): 22594041600

約数和(自身を除く): 1593316843

約数列:

[1, 19, 47, 893, 1381, 17029, 26239, 64907, 323551, 800363, 1233233, 15206897, 23517049, 446823931, 1105301303, 21000724757]

約数ペア:

[(1, 21000724757), (19, 1105301303), (47, 446823931), (893, 23517049), (1381, 15206897), (17029, 1233233), (26239, 800363), (64907, 323551)]