21376786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33091}}^1$

素因数の和:33129

約数の個数: 16

約数和(自身を含む): 35739360

約数和(自身を除く): 14362574

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33091, 66182, 562547, 628729, 1125094, 1257458, 10688393, 21376786]

約数ペア:

[(1, 21376786), (2, 10688393), (17, 1257458), (19, 1125094), (34, 628729), (38, 562547), (323, 66182), (646, 33091)]