21386268

素因数分解:

$2^2\times 3^4\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:608

約数の個数: 60

約数和(自身を含む): 56410200

約数和(自身を除く): 35023932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 149, 162, 298, 324, 443, 447, 596, 886, 894, 1329, 1341, 1772, 1788, 2658, 2682, 3987, 4023, 5316, 5364, 7974, 8046, 11961, 12069, 15948, 16092, 23922, 24138, 35883, 47844, 48276, 66007, 71766, 132014, 143532, 198021, 264028, 396042, 594063, 792084, 1188126, 1782189, 2376252, 3564378, 5346567, 7128756, 10693134, 21386268]

約数ペア:

[(1, 21386268), (2, 10693134), (3, 7128756), (4, 5346567), (6, 3564378), (9, 2376252), (12, 1782189), (18, 1188126), (27, 792084), (36, 594063), (54, 396042), (81, 264028), (108, 198021), (149, 143532), (162, 132014), (298, 71766), (324, 66007), (443, 48276), (447, 47844), (596, 35883), (886, 24138), (894, 23922), (1329, 16092), (1341, 15948), (1772, 12069), (1788, 11961), (2658, 8046), (2682, 7974), (3987, 5364), (4023, 5316)]