21842506

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 38851200

約数和(自身を除く): 17008694

約数列:

[1, 2, 7, 14, 37, 74, 149, 259, 283, 298, 518, 566, 1043, 1981, 2086, 3962, 5513, 10471, 11026, 20942, 38591, 42167, 73297, 77182, 84334, 146594, 295169, 590338, 1560179, 3120358, 10921253, 21842506]

約数ペア:

[(1, 21842506), (2, 10921253), (7, 3120358), (14, 1560179), (37, 590338), (74, 295169), (149, 146594), (259, 84334), (283, 77182), (298, 73297), (518, 42167), (566, 38591), (1043, 20942), (1981, 11026), (2086, 10471), (3962, 5513)]