21138504

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{11149}}^1$

素因数の和:11237

約数の個数: 32

約数和(自身を含む): 53520000

約数和(自身を除く): 32381496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 11149, 22298, 33447, 44596, 66894, 89192, 133788, 267576, 880771, 1761542, 2642313, 3523084, 5284626, 7046168, 10569252, 21138504]

約数ペア:

[(1, 21138504), (2, 10569252), (3, 7046168), (4, 5284626), (6, 3523084), (8, 2642313), (12, 1761542), (24, 880771), (79, 267576), (158, 133788), (237, 89192), (316, 66894), (474, 44596), (632, 33447), (948, 22298), (1896, 11149)]