21475441

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2474639

約数列:

[1, 13, 53, 71, 439, 689, 923, 3763, 5707, 23267, 31169, 48919, 302471, 405197, 1651957, 21475441]

約数ペア:

[(1, 21475441), (13, 1651957), (53, 405197), (71, 302471), (439, 48919), (689, 31169), (923, 23267), (3763, 5707)]