21254794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3343}}^1$

素因数の和:3390

約数の個数: 24

約数和(自身を含む): 36957888

約数和(自身を除く): 15703094

約数列:

[1, 2, 11, 17, 22, 34, 187, 289, 374, 578, 3179, 3343, 6358, 6686, 36773, 56831, 73546, 113662, 625141, 966127, 1250282, 1932254, 10627397, 21254794]

約数ペア:

[(1, 21254794), (2, 10627397), (11, 1932254), (17, 1250282), (22, 966127), (34, 625141), (187, 113662), (289, 73546), (374, 56831), (578, 36773), (3179, 6686), (3343, 6358)]