21201552

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{5077}}^1$

素因数の和:5120

約数の個数: 60

約数和(自身を含む): 61393020

約数和(自身を除く): 40191468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 5077, 10154, 15231, 20308, 30462, 40616, 45693, 60924, 81232, 91386, 121848, 147233, 182772, 243696, 294466, 365544, 441699, 588932, 731088, 883398, 1177864, 1325097, 1766796, 2355728, 2650194, 3533592, 5300388, 7067184, 10600776, 21201552]

約数ペア:

[(1, 21201552), (2, 10600776), (3, 7067184), (4, 5300388), (6, 3533592), (8, 2650194), (9, 2355728), (12, 1766796), (16, 1325097), (18, 1177864), (24, 883398), (29, 731088), (36, 588932), (48, 441699), (58, 365544), (72, 294466), (87, 243696), (116, 182772), (144, 147233), (174, 121848), (232, 91386), (261, 81232), (348, 60924), (464, 45693), (522, 40616), (696, 30462), (1044, 20308), (1392, 15231), (2088, 10154), (4176, 5077)]