21499526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 37532160

約数和(自身を除く): 16032634

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1447, 2894, 7429, 14858, 24599, 27493, 33281, 49198, 54986, 66562, 467381, 565777, 632339, 934762, 1131554, 1264678, 10749763, 21499526]

約数ペア:

[(1, 21499526), (2, 10749763), (17, 1264678), (19, 1131554), (23, 934762), (34, 632339), (38, 565777), (46, 467381), (323, 66562), (391, 54986), (437, 49198), (646, 33281), (782, 27493), (874, 24599), (1447, 14858), (2894, 7429)]