21091338

素因数分解:

$2^1\times 3^2\times {\mathrm{883}}^1\times {\mathrm{1327}}^1$

素因数の和:2218

約数の個数: 24

約数和(自身を含む): 45784128

約数和(自身を除く): 24692790

約数列:

[1, 2, 3, 6, 9, 18, 883, 1327, 1766, 2649, 2654, 3981, 5298, 7947, 7962, 11943, 15894, 23886, 1171741, 2343482, 3515223, 7030446, 10545669, 21091338]

約数ペア:

[(1, 21091338), (2, 10545669), (3, 7030446), (6, 3515223), (9, 2343482), (18, 1171741), (883, 23886), (1327, 15894), (1766, 11943), (2649, 7962), (2654, 7947), (3981, 5298)]