21291514

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 37169280

約数和(自身を除く): 15877766

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1433, 2866, 7429, 14858, 24361, 27227, 32959, 48722, 54454, 65918, 462859, 560303, 626221, 925718, 1120606, 1252442, 10645757, 21291514]

約数ペア:

[(1, 21291514), (2, 10645757), (17, 1252442), (19, 1120606), (23, 925718), (34, 626221), (38, 560303), (46, 462859), (323, 65918), (391, 54454), (437, 48722), (646, 32959), (782, 27227), (874, 24361), (1433, 14858), (2866, 7429)]