20121321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6037}}^1$

素因数の和:6152

約数の個数: 16

約数和(自身を含む): 29562048

約数和(自身を除く): 9440727

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 6037, 18111, 66407, 199221, 609737, 1829211, 6707107, 20121321]

約数ペア:

[(1, 20121321), (3, 6707107), (11, 1829211), (33, 609737), (101, 199221), (303, 66407), (1111, 18111), (3333, 6037)]