21876068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5431}}^1$

素因数の和:5507

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 19189852

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5431, 10862, 21724, 103189, 206378, 287843, 412756, 575686, 1151372, 5469017, 10938034, 21876068]

約数ペア:

[(1, 21876068), (2, 10938034), (4, 5469017), (19, 1151372), (38, 575686), (53, 412756), (76, 287843), (106, 206378), (212, 103189), (1007, 21724), (2014, 10862), (4028, 5431)]