21176675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2833}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 29518944

約数和(自身を除く): 8342269

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 2833, 7475, 14165, 36829, 65159, 70825, 184145, 325795, 847067, 920725, 1628975, 4235335, 21176675]

約数ペア:

[(1, 21176675), (5, 4235335), (13, 1628975), (23, 920725), (25, 847067), (65, 325795), (115, 184145), (299, 70825), (325, 65159), (575, 36829), (1495, 14165), (2833, 7475)]