21403382

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10691}}^1$

素因数の和:10724

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 21706762

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10691, 21382, 74837, 117601, 138983, 149674, 235202, 277966, 823207, 972881, 1528813, 1646414, 1945762, 3057626, 10701691, 21403382]

約数ペア:

[(1, 21403382), (2, 10701691), (7, 3057626), (11, 1945762), (13, 1646414), (14, 1528813), (22, 972881), (26, 823207), (77, 277966), (91, 235202), (143, 149674), (154, 138983), (182, 117601), (286, 74837), (1001, 21382), (2002, 10691)]