21155586

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 43763328

約数和(自身を除く): 22607742

約数列:

[1, 2, 3, 6, 53, 71, 106, 142, 159, 213, 318, 426, 937, 1874, 2811, 3763, 5622, 7526, 11289, 22578, 49661, 66527, 99322, 133054, 148983, 199581, 297966, 399162, 3525931, 7051862, 10577793, 21155586]

約数ペア:

[(1, 21155586), (2, 10577793), (3, 7051862), (6, 3525931), (53, 399162), (71, 297966), (106, 199581), (142, 148983), (159, 133054), (213, 99322), (318, 66527), (426, 49661), (937, 22578), (1874, 11289), (2811, 7526), (3763, 5622)]