21943803

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 36044800

約数和(自身を除く): 14100997

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 1279, 2451, 3837, 5719, 8953, 17157, 24301, 26859, 54997, 72903, 164991, 170107, 384979, 510321, 1044943, 1154937, 3134829, 7314601, 21943803]

約数ペア:

[(1, 21943803), (3, 7314601), (7, 3134829), (19, 1154937), (21, 1044943), (43, 510321), (57, 384979), (129, 170107), (133, 164991), (301, 72903), (399, 54997), (817, 26859), (903, 24301), (1279, 17157), (2451, 8953), (3837, 5719)]