21193804

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1427}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 17190836

約数列:

[1, 2, 4, 47, 79, 94, 158, 188, 316, 1427, 2854, 3713, 5708, 7426, 14852, 67069, 112733, 134138, 225466, 268276, 450932, 5298451, 10596902, 21193804]

約数ペア:

[(1, 21193804), (2, 10596902), (4, 5298451), (47, 450932), (79, 268276), (94, 225466), (158, 134138), (188, 112733), (316, 67069), (1427, 14852), (2854, 7426), (3713, 5708)]