21782035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 30316032

約数和(自身を除く): 8533997

約数列:

[1, 5, 11, 23, 55, 67, 115, 253, 257, 335, 737, 1265, 1285, 1541, 2827, 3685, 5911, 7705, 14135, 16951, 17219, 29555, 65021, 84755, 86095, 189409, 325105, 396037, 947045, 1980185, 4356407, 21782035]

約数ペア:

[(1, 21782035), (5, 4356407), (11, 1980185), (23, 947045), (55, 396037), (67, 325105), (115, 189409), (253, 86095), (257, 84755), (335, 65021), (737, 29555), (1265, 17219), (1285, 16951), (1541, 14135), (2827, 7705), (3685, 5911)]