21445754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7013}}^1$

素因数の和:7165

約数の個数: 16

約数和(自身を含む): 35350560

約数和(自身を除く): 13904806

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 7013, 14026, 77143, 154286, 974807, 1949614, 10722877, 21445754]

約数ペア:

[(1, 21445754), (2, 10722877), (11, 1949614), (22, 974807), (139, 154286), (278, 77143), (1529, 14026), (3058, 7013)]