21094655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{953}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 26788320

約数和(自身を除く): 5693665

約数列:

[1, 5, 19, 95, 233, 953, 1165, 4427, 4765, 18107, 22135, 90535, 222049, 1110245, 4218931, 21094655]

約数ペア:

[(1, 21094655), (5, 4218931), (19, 1110245), (95, 222049), (233, 90535), (953, 22135), (1165, 18107), (4427, 4765)]