21027435

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9803}}^1$

素因数の和:9835

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 18502293

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9803, 29409, 49015, 107833, 127439, 147045, 323499, 382317, 539165, 637195, 1401829, 1617495, 1911585, 4205487, 7009145, 21027435]

約数ペア:

[(1, 21027435), (3, 7009145), (5, 4205487), (11, 1911585), (13, 1617495), (15, 1401829), (33, 637195), (39, 539165), (55, 382317), (65, 323499), (143, 147045), (165, 127439), (195, 107833), (429, 49015), (715, 29409), (2145, 9803)]