21489057592

素因数分解:

$2^3\times {\mathrm{907}}^1\times {\mathrm{2961557}}^1$

素因数の和:2962470

約数の個数: 16

約数和(自身を含む): 40336419960

約数和(自身を除く): 18847362368

約数列:

[1, 2, 4, 8, 907, 1814, 3628, 7256, 2961557, 5923114, 11846228, 23692456, 2686132199, 5372264398, 10744528796, 21489057592]

約数ペア:

[(1, 21489057592), (2, 10744528796), (4, 5372264398), (8, 2686132199), (907, 23692456), (1814, 11846228), (3628, 5923114), (7256, 2961557)]