21969508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 46376064

約数和(自身を除く): 24406556

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1277, 1564, 2554, 4301, 5108, 8602, 14047, 17204, 21709, 28094, 29371, 43418, 56188, 58742, 86836, 117484, 238799, 323081, 477598, 499307, 646162, 955196, 998614, 1292324, 1997228, 5492377, 10984754, 21969508]

約数ペア:

[(1, 21969508), (2, 10984754), (4, 5492377), (11, 1997228), (17, 1292324), (22, 998614), (23, 955196), (34, 646162), (44, 499307), (46, 477598), (68, 323081), (92, 238799), (187, 117484), (253, 86836), (374, 58742), (391, 56188), (506, 43418), (748, 29371), (782, 28094), (1012, 21709), (1277, 17204), (1564, 14047), (2554, 8602), (4301, 5108)]