21382188

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 30549972

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 229, 251, 372, 458, 502, 687, 753, 916, 1004, 1374, 1506, 2748, 3012, 7099, 7781, 14198, 15562, 21297, 23343, 28396, 31124, 42594, 46686, 57479, 85188, 93372, 114958, 172437, 229916, 344874, 689748, 1781849, 3563698, 5345547, 7127396, 10691094, 21382188]

約数ペア:

[(1, 21382188), (2, 10691094), (3, 7127396), (4, 5345547), (6, 3563698), (12, 1781849), (31, 689748), (62, 344874), (93, 229916), (124, 172437), (186, 114958), (229, 93372), (251, 85188), (372, 57479), (458, 46686), (502, 42594), (687, 31124), (753, 28396), (916, 23343), (1004, 21297), (1374, 15562), (1506, 14198), (2748, 7781), (3012, 7099)]