21556164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8849}}^1$

素因数の和:8892

約数の個数: 48

約数和(自身を含む): 59472000

約数和(自身を除く): 37915836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8849, 17698, 26547, 35396, 53094, 61943, 106188, 123886, 185829, 247772, 256621, 371658, 513242, 743316, 769863, 1026484, 1539726, 1796347, 3079452, 3592694, 5389041, 7185388, 10778082, 21556164]

約数ペア:

[(1, 21556164), (2, 10778082), (3, 7185388), (4, 5389041), (6, 3592694), (7, 3079452), (12, 1796347), (14, 1539726), (21, 1026484), (28, 769863), (29, 743316), (42, 513242), (58, 371658), (84, 256621), (87, 247772), (116, 185829), (174, 123886), (203, 106188), (348, 61943), (406, 53094), (609, 35396), (812, 26547), (1218, 17698), (2436, 8849)]