22121825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 30873024

約数和(自身を除く): 8751199

約数列:

[1, 5, 11, 25, 55, 71, 103, 121, 275, 355, 515, 605, 781, 1133, 1775, 2575, 3025, 3905, 5665, 7313, 8591, 12463, 19525, 28325, 36565, 42955, 62315, 80443, 182825, 214775, 311575, 402215, 884873, 2011075, 4424365, 22121825]

約数ペア:

[(1, 22121825), (5, 4424365), (11, 2011075), (25, 884873), (55, 402215), (71, 311575), (103, 214775), (121, 182825), (275, 80443), (355, 62315), (515, 42955), (605, 36565), (781, 28325), (1133, 19525), (1775, 12463), (2575, 8591), (3025, 7313), (3905, 5665)]