21162314

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 15972406

約数列:

[1, 2, 17, 19, 34, 38, 41, 47, 82, 94, 289, 323, 578, 646, 697, 779, 799, 893, 1394, 1558, 1598, 1786, 1927, 3854, 5491, 10982, 11849, 13243, 13583, 15181, 23698, 26486, 27166, 30362, 32759, 36613, 65518, 73226, 225131, 258077, 450262, 516154, 556903, 622421, 1113806, 1244842, 10581157, 21162314]

約数ペア:

[(1, 21162314), (2, 10581157), (17, 1244842), (19, 1113806), (34, 622421), (38, 556903), (41, 516154), (47, 450262), (82, 258077), (94, 225131), (289, 73226), (323, 65518), (578, 36613), (646, 32759), (697, 30362), (779, 27166), (799, 26486), (893, 23698), (1394, 15181), (1558, 13583), (1598, 13243), (1786, 11849), (1927, 10982), (3854, 5491)]