21491838

素因数分解:

$2^1\times 3^3\times {\mathrm{337}}^1\times {\mathrm{1181}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 47941920

約数和(自身を除く): 26450082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 337, 674, 1011, 1181, 2022, 2362, 3033, 3543, 6066, 7086, 9099, 10629, 18198, 21258, 31887, 63774, 397997, 795994, 1193991, 2387982, 3581973, 7163946, 10745919, 21491838]

約数ペア:

[(1, 21491838), (2, 10745919), (3, 7163946), (6, 3581973), (9, 2387982), (18, 1193991), (27, 795994), (54, 397997), (337, 63774), (674, 31887), (1011, 21258), (1181, 18198), (2022, 10629), (2362, 9099), (3033, 7086), (3543, 6066)]