22919211

素因数分解:

$3^2\times 7^2\times {\mathrm{51971}}^1$

素因数の和:51991

約数の個数: 18

約数和(自身を含む): 38511252

約数和(自身を除く): 15592041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 51971, 155913, 363797, 467739, 1091391, 2546579, 3274173, 7639737, 22919211]

約数ペア:

[(1, 22919211), (3, 7639737), (7, 3274173), (9, 2546579), (21, 1091391), (49, 467739), (63, 363797), (147, 155913), (441, 51971)]