21173383

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3313}}^1$

素因数の和:3414

約数の個数: 16

約数和(自身を含む): 26724096

約数和(自身を除く): 5550713

約数列:

[1, 7, 11, 77, 83, 581, 913, 3313, 6391, 23191, 36443, 255101, 274979, 1924853, 3024769, 21173383]

約数ペア:

[(1, 21173383), (7, 3024769), (11, 1924853), (77, 274979), (83, 255101), (581, 36443), (913, 23191), (3313, 6391)]