21011595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127343}}^1$

素因数の和:127362

約数の個数: 16

約数和(自身を含む): 36675072

約数和(自身を除く): 15663477

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127343, 382029, 636715, 1400773, 1910145, 4202319, 7003865, 21011595]

約数ペア:

[(1, 21011595), (3, 7003865), (5, 4202319), (11, 1910145), (15, 1400773), (33, 636715), (55, 382029), (165, 127343)]