21241649

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3623}}^1$

素因数の和:3688

約数の個数: 16

約数和(自身を含む): 25570944

約数和(自身を除く): 4329295

約数列:

[1, 11, 13, 41, 143, 451, 533, 3623, 5863, 39853, 47099, 148543, 518089, 1633973, 1931059, 21241649]

約数ペア:

[(1, 21241649), (11, 1931059), (13, 1633973), (41, 518089), (143, 148543), (451, 47099), (533, 39853), (3623, 5863)]