21494319

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{769}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 36072960

約数和(自身を除く): 14578641

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 769, 847, 1331, 2307, 2541, 3993, 5383, 8459, 9317, 16149, 25377, 27951, 59213, 93049, 177639, 279147, 651343, 1023539, 1954029, 3070617, 7164773, 21494319]

約数ペア:

[(1, 21494319), (3, 7164773), (7, 3070617), (11, 1954029), (21, 1023539), (33, 651343), (77, 279147), (121, 177639), (231, 93049), (363, 59213), (769, 27951), (847, 25377), (1331, 16149), (2307, 9317), (2541, 8459), (3993, 5383)]