21284799

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2801}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 30261600

約数和(自身を除く): 8976801

約数列:

[1, 3, 17, 51, 149, 447, 2533, 2801, 7599, 8403, 47617, 142851, 417349, 1252047, 7094933, 21284799]

約数ペア:

[(1, 21284799), (3, 7094933), (17, 1252047), (51, 417349), (149, 142851), (447, 47617), (2533, 8403), (2801, 7599)]