21132596

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 37846536

約数和(自身を除く): 16713940

約数列:

[1, 2, 4, 61, 122, 244, 257, 337, 514, 674, 1028, 1348, 15677, 20557, 31354, 41114, 62708, 82228, 86609, 173218, 346436, 5283149, 10566298, 21132596]

約数ペア:

[(1, 21132596), (2, 10566298), (4, 5283149), (61, 346436), (122, 173218), (244, 86609), (257, 82228), (337, 62708), (514, 41114), (674, 31354), (1028, 20557), (1348, 15677)]