21279228

素因数分解:

$2^2\times 3^1\times {\mathrm{349}}^1\times {\mathrm{5081}}^1$

素因数の和:5437

約数の個数: 24

約数和(自身を含む): 49803600

約数和(自身を除く): 28524372

約数列:

[1, 2, 3, 4, 6, 12, 349, 698, 1047, 1396, 2094, 4188, 5081, 10162, 15243, 20324, 30486, 60972, 1773269, 3546538, 5319807, 7093076, 10639614, 21279228]

約数ペア:

[(1, 21279228), (2, 10639614), (3, 7093076), (4, 5319807), (6, 3546538), (12, 1773269), (349, 60972), (698, 30486), (1047, 20324), (1396, 15243), (2094, 10162), (4188, 5081)]