21351834

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1859

約数の個数: 48

約数和(自身を含む): 53446848

約数和(自身を除く): 32095014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1746, 1747, 2037, 3494, 4074, 5241, 6111, 10482, 12222, 12229, 15723, 24458, 31446, 36687, 73374, 110061, 169459, 220122, 338918, 508377, 1016754, 1186213, 1525131, 2372426, 3050262, 3558639, 7117278, 10675917, 21351834]

約数ペア:

[(1, 21351834), (2, 10675917), (3, 7117278), (6, 3558639), (7, 3050262), (9, 2372426), (14, 1525131), (18, 1186213), (21, 1016754), (42, 508377), (63, 338918), (97, 220122), (126, 169459), (194, 110061), (291, 73374), (582, 36687), (679, 31446), (873, 24458), (1358, 15723), (1746, 12229), (1747, 12222), (2037, 10482), (3494, 6111), (4074, 5241)]