21576978036

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4575271}}^1$

素因数の和:4575412

約数の個数: 36

約数和(自身を含む): 54958167264

約数和(自身を除く): 33381189228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4716, 4575271, 9150542, 13725813, 18301084, 27451626, 41177439, 54903252, 82354878, 164709756, 599360501, 1198721002, 1798081503, 2397442004, 3596163006, 5394244509, 7192326012, 10788489018, 21576978036]

約数ペア:

[(1, 21576978036), (2, 10788489018), (3, 7192326012), (4, 5394244509), (6, 3596163006), (9, 2397442004), (12, 1798081503), (18, 1198721002), (36, 599360501), (131, 164709756), (262, 82354878), (393, 54903252), (524, 41177439), (786, 27451626), (1179, 18301084), (1572, 13725813), (2358, 9150542), (4716, 4575271)]