21341419

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 24300000

約数和(自身を除く): 2958581

約数列:

[1, 11, 29, 149, 319, 449, 1639, 4321, 4939, 13021, 47531, 66901, 143231, 735911, 1940129, 21341419]

約数ペア:

[(1, 21341419), (11, 1940129), (29, 735911), (149, 143231), (319, 66901), (449, 47531), (1639, 13021), (4321, 4939)]