21788464

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{23081}}^1$

素因数の和:23148

約数の個数: 20

約数和(自身を含む): 42932520

約数和(自身を除く): 21144056

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 23081, 46162, 92324, 184648, 369296, 1361779, 2723558, 5447116, 10894232, 21788464]

約数ペア:

[(1, 21788464), (2, 10894232), (4, 5447116), (8, 2723558), (16, 1361779), (59, 369296), (118, 184648), (236, 92324), (472, 46162), (944, 23081)]