21076160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{97}}^2$

素因数の和:218

約数の個数: 84

約数和(自身を含む): 57954672

約数和(自身を除く): 36878512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 140, 160, 194, 224, 280, 320, 388, 448, 485, 560, 679, 776, 970, 1120, 1358, 1552, 1940, 2240, 2716, 3104, 3395, 3880, 5432, 6208, 6790, 7760, 9409, 10864, 13580, 15520, 18818, 21728, 27160, 31040, 37636, 43456, 47045, 54320, 65863, 75272, 94090, 108640, 131726, 150544, 188180, 217280, 263452, 301088, 329315, 376360, 526904, 602176, 658630, 752720, 1053808, 1317260, 1505440, 2107616, 2634520, 3010880, 4215232, 5269040, 10538080, 21076160]

約数ペア:

[(1, 21076160), (2, 10538080), (4, 5269040), (5, 4215232), (7, 3010880), (8, 2634520), (10, 2107616), (14, 1505440), (16, 1317260), (20, 1053808), (28, 752720), (32, 658630), (35, 602176), (40, 526904), (56, 376360), (64, 329315), (70, 301088), (80, 263452), (97, 217280), (112, 188180), (140, 150544), (160, 131726), (194, 108640), (224, 94090), (280, 75272), (320, 65863), (388, 54320), (448, 47045), (485, 43456), (560, 37636), (679, 31040), (776, 27160), (970, 21728), (1120, 18818), (1358, 15520), (1552, 13580), (1940, 10864), (2240, 9409), (2716, 7760), (3104, 6790), (3395, 6208), (3880, 5432)]