21161492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1453}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 40549152

約数和(自身を除く): 19387660

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1453, 2906, 3641, 5812, 7282, 14564, 15983, 31966, 63932, 480943, 961886, 1923772, 5290373, 10580746, 21161492]

約数ペア:

[(1, 21161492), (2, 10580746), (4, 5290373), (11, 1923772), (22, 961886), (44, 480943), (331, 63932), (662, 31966), (1324, 15983), (1453, 14564), (2906, 7282), (3641, 5812)]