21302567

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 3857113

約数列:

[1, 11, 13, 143, 311, 479, 3421, 4043, 5269, 6227, 44473, 68497, 148969, 1638659, 1936597, 21302567]

約数ペア:

[(1, 21302567), (11, 1936597), (13, 1638659), (143, 148969), (311, 68497), (479, 44473), (3421, 6227), (4043, 5269)]