21099484

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2423}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 42352128

約数和(自身を除く): 21252644

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 2423, 4354, 4846, 8708, 9692, 16961, 33922, 67844, 753553, 1507106, 3014212, 5274871, 10549742, 21099484]

約数ペア:

[(1, 21099484), (2, 10549742), (4, 5274871), (7, 3014212), (14, 1507106), (28, 753553), (311, 67844), (622, 33922), (1244, 16961), (2177, 9692), (2423, 8708), (4354, 4846)]