21862197

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 37340160

約数和(自身を除く): 15477963

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 883, 917, 1179, 2649, 2751, 3537, 6181, 7947, 8253, 18543, 23841, 24759, 55629, 115673, 166887, 347019, 809711, 1041057, 2429133, 3123171, 7287399, 21862197]

約数ペア:

[(1, 21862197), (3, 7287399), (7, 3123171), (9, 2429133), (21, 1041057), (27, 809711), (63, 347019), (131, 166887), (189, 115673), (393, 55629), (883, 24759), (917, 23841), (1179, 18543), (2649, 8253), (2751, 7947), (3537, 6181)]