21548504

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 42485520

約数和(自身を除く): 20937016

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 1693, 3182, 3386, 6364, 6772, 12728, 13544, 62641, 72799, 125282, 145598, 250564, 291196, 501128, 582392, 2693563, 5387126, 10774252, 21548504]

約数ペア:

[(1, 21548504), (2, 10774252), (4, 5387126), (8, 2693563), (37, 582392), (43, 501128), (74, 291196), (86, 250564), (148, 145598), (172, 125282), (296, 72799), (344, 62641), (1591, 13544), (1693, 12728), (3182, 6772), (3386, 6364)]