21920294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13649}}^1$

素因数の和:13735

約数の個数: 16

約数和(自身を含む): 36363600

約数和(自身を除く): 14443306

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13649, 27298, 150139, 300278, 996377, 1992754, 10960147, 21920294]

約数ペア:

[(1, 21920294), (2, 10960147), (11, 1992754), (22, 996377), (73, 300278), (146, 150139), (803, 27298), (1606, 13649)]