21862148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70981}}^1$

素因数の和:71003

約数の個数: 24

約数和(自身を含む): 47699904

約数和(自身を除く): 25837756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70981, 141962, 283924, 496867, 780791, 993734, 1561582, 1987468, 3123164, 5465537, 10931074, 21862148]

約数ペア:

[(1, 21862148), (2, 10931074), (4, 5465537), (7, 3123164), (11, 1987468), (14, 1561582), (22, 993734), (28, 780791), (44, 496867), (77, 283924), (154, 141962), (308, 70981)]