21073202

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 12940750

約数列:

[1, 2, 37, 47, 73, 74, 83, 94, 146, 166, 1739, 2701, 3071, 3431, 3478, 3901, 5402, 6059, 6142, 6862, 7802, 12118, 126947, 144337, 224183, 253894, 284773, 288674, 448366, 569546, 10536601, 21073202]

約数ペア:

[(1, 21073202), (2, 10536601), (37, 569546), (47, 448366), (73, 288674), (74, 284773), (83, 253894), (94, 224183), (146, 144337), (166, 126947), (1739, 12118), (2701, 7802), (3071, 6862), (3431, 6142), (3478, 6059), (3901, 5402)]