21353564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1303}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 39761568

約数和(自身を除く): 18408004

約数列:

[1, 2, 4, 17, 34, 68, 241, 482, 964, 1303, 2606, 4097, 5212, 8194, 16388, 22151, 44302, 88604, 314023, 628046, 1256092, 5338391, 10676782, 21353564]

約数ペア:

[(1, 21353564), (2, 10676782), (4, 5338391), (17, 1256092), (34, 628046), (68, 314023), (241, 88604), (482, 44302), (964, 22151), (1303, 16388), (2606, 8194), (4097, 5212)]