21205464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126223}}^1$

素因数の和:126239

約数の個数: 32

約数和(自身を含む): 60587520

約数和(自身を除く): 39382056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126223, 252446, 378669, 504892, 757338, 883561, 1009784, 1514676, 1767122, 2650683, 3029352, 3534244, 5301366, 7068488, 10602732, 21205464]

約数ペア:

[(1, 21205464), (2, 10602732), (3, 7068488), (4, 5301366), (6, 3534244), (7, 3029352), (8, 2650683), (12, 1767122), (14, 1514676), (21, 1009784), (24, 883561), (28, 757338), (42, 504892), (56, 378669), (84, 252446), (168, 126223)]