21555804116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3373}}^1\times {\mathrm{20749}}^1$

素因数の和:24144

約数の個数: 48

約数和(自身を含む): 47047056000

約数和(自身を除く): 25491251884

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 3373, 6746, 13492, 20749, 23611, 37103, 41498, 47222, 74206, 82996, 94444, 145243, 148412, 228239, 259721, 290486, 456478, 519442, 580972, 912956, 1038884, 1597673, 3195346, 6390692, 69986377, 139972754, 279945508, 489904639, 769850147, 979809278, 1539700294, 1959618556, 3079400588, 5388951029, 10777902058, 21555804116]

約数ペア:

[(1, 21555804116), (2, 10777902058), (4, 5388951029), (7, 3079400588), (11, 1959618556), (14, 1539700294), (22, 979809278), (28, 769850147), (44, 489904639), (77, 279945508), (154, 139972754), (308, 69986377), (3373, 6390692), (6746, 3195346), (13492, 1597673), (20749, 1038884), (23611, 912956), (37103, 580972), (41498, 519442), (47222, 456478), (74206, 290486), (82996, 259721), (94444, 228239), (145243, 148412)]