21379677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20899}}^1$

素因数の和:20944

約数の個数: 16

約数和(自身を含む): 32102400

約数和(自身を除く): 10722723

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 20899, 62697, 229889, 647869, 689667, 1943607, 7126559, 21379677]

約数ペア:

[(1, 21379677), (3, 7126559), (11, 1943607), (31, 689667), (33, 647869), (93, 229889), (341, 62697), (1023, 20899)]