21804078

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 44925696

約数和(自身を除く): 23121618

約数列:

[1, 2, 3, 6, 67, 73, 134, 146, 201, 219, 402, 438, 743, 1486, 2229, 4458, 4891, 9782, 14673, 29346, 49781, 54239, 99562, 108478, 149343, 162717, 298686, 325434, 3634013, 7268026, 10902039, 21804078]

約数ペア:

[(1, 21804078), (2, 10902039), (3, 7268026), (6, 3634013), (67, 325434), (73, 298686), (134, 162717), (146, 149343), (201, 108478), (219, 99562), (402, 54239), (438, 49781), (743, 29346), (1486, 14673), (2229, 9782), (4458, 4891)]