21180170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192547}}^1$

素因数の和:192565

約数の個数: 16

約数和(自身を含む): 41590368

約数和(自身を除く): 20410198

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192547, 385094, 962735, 1925470, 2118017, 4236034, 10590085, 21180170]

約数ペア:

[(1, 21180170), (2, 10590085), (5, 4236034), (10, 2118017), (11, 1925470), (22, 962735), (55, 385094), (110, 192547)]