21494188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8543}}^1$

素因数の和:8601

約数の個数: 24

約数和(自身を含む): 40908672

約数和(自身を除く): 19414484

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8543, 17086, 34172, 145231, 290462, 316091, 580924, 632182, 1264364, 5373547, 10747094, 21494188]

約数ペア:

[(1, 21494188), (2, 10747094), (4, 5373547), (17, 1264364), (34, 632182), (37, 580924), (68, 316091), (74, 290462), (148, 145231), (629, 34172), (1258, 17086), (2516, 8543)]