21636274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 38991456

約数和(自身を除く): 17355182

約数列:

[1, 2, 11, 17, 22, 34, 41, 82, 83, 166, 187, 289, 374, 451, 578, 697, 902, 913, 1394, 1411, 1826, 2822, 3179, 3403, 6358, 6806, 7667, 11849, 15334, 15521, 23698, 23987, 31042, 37433, 47974, 57851, 74866, 115702, 130339, 260678, 263857, 527714, 636361, 983467, 1272722, 1966934, 10818137, 21636274]

約数ペア:

[(1, 21636274), (2, 10818137), (11, 1966934), (17, 1272722), (22, 983467), (34, 636361), (41, 527714), (82, 263857), (83, 260678), (166, 130339), (187, 115702), (289, 74866), (374, 57851), (451, 47974), (578, 37433), (697, 31042), (902, 23987), (913, 23698), (1394, 15521), (1411, 15334), (1826, 11849), (2822, 7667), (3179, 6806), (3403, 6358)]