21205884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6823}}^1$

素因数の和:6874

約数の個数: 48

約数和(自身を含む): 58085888

約数和(自身を除く): 36880004

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, 6823, 13646, 20469, 27292, 40938, 47761, 81876, 95522, 143283, 191044, 252451, 286566, 504902, 573132, 757353, 1009804, 1514706, 1767157, 3029412, 3534314, 5301471, 7068628, 10602942, 21205884]

約数ペア:

[(1, 21205884), (2, 10602942), (3, 7068628), (4, 5301471), (6, 3534314), (7, 3029412), (12, 1767157), (14, 1514706), (21, 1009804), (28, 757353), (37, 573132), (42, 504902), (74, 286566), (84, 252451), (111, 191044), (148, 143283), (222, 95522), (259, 81876), (444, 47761), (518, 40938), (777, 27292), (1036, 20469), (1554, 13646), (3108, 6823)]