21481801527

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2750903}}^1$

素因数の和:2751062

約数の個数: 16

約数和(自身を含む): 30369980160

約数和(自身を除く): 8888178633

約数列:

[1, 3, 19, 57, 137, 411, 2603, 7809, 2750903, 8252709, 52267157, 156801471, 376873711, 1130621133, 7160600509, 21481801527]

約数ペア:

[(1, 21481801527), (3, 7160600509), (19, 1130621133), (57, 376873711), (137, 156801471), (411, 52267157), (2603, 8252709), (7809, 2750903)]