21000844788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22728187}}^1$

素因数の和:22728212

約数の個数: 48

約数和(自身を含む): 61093369344

約数和(自身を除く): 40092524556

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22728187, 45456374, 68184561, 90912748, 136369122, 159097309, 250010057, 272738244, 318194618, 477291927, 500020114, 636389236, 750030171, 954583854, 1000040228, 1500060342, 1750070399, 1909167708, 3000120684, 3500140798, 5250211197, 7000281596, 10500422394, 21000844788]

約数ペア:

[(1, 21000844788), (2, 10500422394), (3, 7000281596), (4, 5250211197), (6, 3500140798), (7, 3000120684), (11, 1909167708), (12, 1750070399), (14, 1500060342), (21, 1000040228), (22, 954583854), (28, 750030171), (33, 636389236), (42, 500020114), (44, 477291927), (66, 318194618), (77, 272738244), (84, 250010057), (132, 159097309), (154, 136369122), (231, 90912748), (308, 68184561), (462, 45456374), (924, 22728187)]