21816965225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1031}}^1\times {\mathrm{76949}}^1$

素因数の和:78001

約数の個数: 24

約数和(自身を含む): 29541412800

約数和(自身を除く): 7724447575

約数列:

[1, 5, 11, 25, 55, 275, 1031, 5155, 11341, 25775, 56705, 76949, 283525, 384745, 846439, 1923725, 4232195, 21160975, 79334419, 396672095, 872678609, 1983360475, 4363393045, 21816965225]

約数ペア:

[(1, 21816965225), (5, 4363393045), (11, 1983360475), (25, 872678609), (55, 396672095), (275, 79334419), (1031, 21160975), (5155, 4232195), (11341, 1923725), (25775, 846439), (56705, 384745), (76949, 283525)]