21034314

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1201}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 52503360

約数和(自身を除く): 31469046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1201, 1251, 1946, 2402, 2502, 2919, 3603, 5838, 7206, 8407, 8757, 10809, 16814, 17514, 21618, 25221, 50442, 75663, 151326, 166939, 333878, 500817, 1001634, 1168573, 1502451, 2337146, 3004902, 3505719, 7011438, 10517157, 21034314]

約数ペア:

[(1, 21034314), (2, 10517157), (3, 7011438), (6, 3505719), (7, 3004902), (9, 2337146), (14, 1502451), (18, 1168573), (21, 1001634), (42, 500817), (63, 333878), (126, 166939), (139, 151326), (278, 75663), (417, 50442), (834, 25221), (973, 21618), (1201, 17514), (1251, 16814), (1946, 10809), (2402, 8757), (2502, 8407), (2919, 7206), (3603, 5838)]