21192716

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 38484096

約数和(自身を除く): 17291380

約数列:

[1, 2, 4, 31, 62, 124, 277, 554, 617, 1108, 1234, 2468, 8587, 17174, 19127, 34348, 38254, 76508, 170909, 341818, 683636, 5298179, 10596358, 21192716]

約数ペア:

[(1, 21192716), (2, 10596358), (4, 5298179), (31, 683636), (62, 341818), (124, 170909), (277, 76508), (554, 38254), (617, 34348), (1108, 19127), (1234, 17174), (2468, 8587)]