21094948

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 44311680

約数和(自身を除く): 23216732

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 83, 116, 166, 203, 313, 332, 406, 581, 626, 812, 1162, 1252, 2191, 2324, 2407, 4382, 4814, 8764, 9077, 9628, 16849, 18154, 25979, 33698, 36308, 51958, 63539, 67396, 103916, 127078, 181853, 254156, 363706, 727412, 753391, 1506782, 3013564, 5273737, 10547474, 21094948]

約数ペア:

[(1, 21094948), (2, 10547474), (4, 5273737), (7, 3013564), (14, 1506782), (28, 753391), (29, 727412), (58, 363706), (83, 254156), (116, 181853), (166, 127078), (203, 103916), (313, 67396), (332, 63539), (406, 51958), (581, 36308), (626, 33698), (812, 25979), (1162, 18154), (1252, 16849), (2191, 9628), (2324, 9077), (2407, 8764), (4382, 4814)]