21554626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2939}}^1$

素因数の和:3153

約数の個数: 16

約数和(自身を含む): 34221600

約数和(自身を除く): 12666974

約数列:

[1, 2, 19, 38, 193, 386, 2939, 3667, 5878, 7334, 55841, 111682, 567227, 1134454, 10777313, 21554626]

約数ペア:

[(1, 21554626), (2, 10777313), (19, 1134454), (38, 567227), (193, 111682), (386, 55841), (2939, 7334), (3667, 5878)]