21590767

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 3407633

約数列:

[1, 11, 23, 61, 253, 671, 1399, 1403, 15389, 15433, 32177, 85339, 353947, 938729, 1962797, 21590767]

約数ペア:

[(1, 21590767), (11, 1962797), (23, 938729), (61, 353947), (253, 85339), (671, 32177), (1399, 15433), (1403, 15389)]