21434530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164881}}^1$

素因数の和:164901

約数の個数: 16

約数和(自身を含む): 41550264

約数和(自身を除く): 20115734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 164881, 329762, 824405, 1648810, 2143453, 4286906, 10717265, 21434530]

約数ペア:

[(1, 21434530), (2, 10717265), (5, 4286906), (10, 2143453), (13, 1648810), (26, 824405), (65, 329762), (130, 164881)]