21466956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6907}}^1$

素因数の和:6958

約数の個数: 48

約数和(自身を含む): 58800896

約数和(自身を除く): 37333940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6907, 13814, 20721, 27628, 41442, 48349, 82884, 96698, 145047, 193396, 255559, 290094, 511118, 580188, 766677, 1022236, 1533354, 1788913, 3066708, 3577826, 5366739, 7155652, 10733478, 21466956]

約数ペア:

[(1, 21466956), (2, 10733478), (3, 7155652), (4, 5366739), (6, 3577826), (7, 3066708), (12, 1788913), (14, 1533354), (21, 1022236), (28, 766677), (37, 580188), (42, 511118), (74, 290094), (84, 255559), (111, 193396), (148, 145047), (222, 96698), (259, 82884), (444, 48349), (518, 41442), (777, 27628), (1036, 20721), (1554, 13814), (3108, 6907)]