21552812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 39484032

約数和(自身を除く): 17931220

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 2381, 4526, 4762, 9052, 9524, 73811, 147622, 173813, 295244, 347626, 695252, 5388203, 10776406, 21552812]

約数ペア:

[(1, 21552812), (2, 10776406), (4, 5388203), (31, 695252), (62, 347626), (73, 295244), (124, 173813), (146, 147622), (292, 73811), (2263, 9524), (2381, 9052), (4526, 4762)]