21185964

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6067}}^1$

素因数の和:6174

約数の個数: 36

約数和(自身を含む): 54114424

約数和(自身を除く): 32928460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6067, 12134, 18201, 24268, 36402, 54603, 72804, 109206, 218412, 588499, 1176998, 1765497, 2353996, 3530994, 5296491, 7061988, 10592982, 21185964]

約数ペア:

[(1, 21185964), (2, 10592982), (3, 7061988), (4, 5296491), (6, 3530994), (9, 2353996), (12, 1765497), (18, 1176998), (36, 588499), (97, 218412), (194, 109206), (291, 72804), (388, 54603), (582, 36402), (873, 24268), (1164, 18201), (1746, 12134), (3492, 6067)]