21042504

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4639}}^1$

素因数の和:4664

約数の個数: 80

約数和(自身を含む): 67372800

約数和(自身を除く): 46330296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 4639, 9278, 13917, 18556, 27834, 32473, 37112, 41751, 55668, 64946, 83502, 97419, 111336, 125253, 129892, 167004, 194838, 250506, 259784, 292257, 334008, 375759, 389676, 501012, 584514, 751518, 779352, 876771, 1002024, 1169028, 1503036, 1753542, 2338056, 2630313, 3006072, 3507084, 5260626, 7014168, 10521252, 21042504]

約数ペア:

[(1, 21042504), (2, 10521252), (3, 7014168), (4, 5260626), (6, 3507084), (7, 3006072), (8, 2630313), (9, 2338056), (12, 1753542), (14, 1503036), (18, 1169028), (21, 1002024), (24, 876771), (27, 779352), (28, 751518), (36, 584514), (42, 501012), (54, 389676), (56, 375759), (63, 334008), (72, 292257), (81, 259784), (84, 250506), (108, 194838), (126, 167004), (162, 129892), (168, 125253), (189, 111336), (216, 97419), (252, 83502), (324, 64946), (378, 55668), (504, 41751), (567, 37112), (648, 32473), (756, 27834), (1134, 18556), (1512, 13917), (2268, 9278), (4536, 4639)]