21289464

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 45934056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 53, 56, 63, 72, 84, 106, 126, 159, 168, 212, 252, 318, 371, 424, 477, 504, 636, 742, 797, 954, 1113, 1272, 1484, 1594, 1908, 2226, 2391, 2968, 3188, 3339, 3816, 4452, 4782, 5579, 6376, 6678, 7173, 8904, 9564, 11158, 13356, 14346, 16737, 19128, 22316, 26712, 28692, 33474, 42241, 44632, 50211, 57384, 66948, 84482, 100422, 126723, 133896, 168964, 200844, 253446, 295687, 337928, 380169, 401688, 506892, 591374, 760338, 887061, 1013784, 1182748, 1520676, 1774122, 2365496, 2661183, 3041352, 3548244, 5322366, 7096488, 10644732, 21289464]

約数ペア:

[(1, 21289464), (2, 10644732), (3, 7096488), (4, 5322366), (6, 3548244), (7, 3041352), (8, 2661183), (9, 2365496), (12, 1774122), (14, 1520676), (18, 1182748), (21, 1013784), (24, 887061), (28, 760338), (36, 591374), (42, 506892), (53, 401688), (56, 380169), (63, 337928), (72, 295687), (84, 253446), (106, 200844), (126, 168964), (159, 133896), (168, 126723), (212, 100422), (252, 84482), (318, 66948), (371, 57384), (424, 50211), (477, 44632), (504, 42241), (636, 33474), (742, 28692), (797, 26712), (954, 22316), (1113, 19128), (1272, 16737), (1484, 14346), (1594, 13356), (1908, 11158), (2226, 9564), (2391, 8904), (2968, 7173), (3188, 6678), (3339, 6376), (3816, 5579), (4452, 4782)]