21382470718

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{616103}}^1$

素因数の和:616216

約数の個数: 32

約数和(自身を含む): 38208305664

約数和(自身を除く): 16825834946

約数列:

[1, 2, 7, 14, 37, 67, 74, 134, 259, 469, 518, 938, 2479, 4958, 17353, 34706, 616103, 1232206, 4312721, 8625442, 22795811, 41278901, 45591622, 82557802, 159570677, 288952307, 319141354, 577904614, 1527319337, 3054638674, 10691235359, 21382470718]

約数ペア:

[(1, 21382470718), (2, 10691235359), (7, 3054638674), (14, 1527319337), (37, 577904614), (67, 319141354), (74, 288952307), (134, 159570677), (259, 82557802), (469, 45591622), (518, 41278901), (938, 22795811), (2479, 8625442), (4958, 4312721), (17353, 1232206), (34706, 616103)]