21093553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 4711247

約数列:

[1, 13, 19, 23, 47, 79, 247, 299, 437, 611, 893, 1027, 1081, 1501, 1817, 3713, 5681, 11609, 14053, 19513, 20539, 23621, 34523, 48269, 70547, 85399, 267007, 448799, 917111, 1110187, 1622581, 21093553]

約数ペア:

[(1, 21093553), (13, 1622581), (19, 1110187), (23, 917111), (47, 448799), (79, 267007), (247, 85399), (299, 70547), (437, 48269), (611, 34523), (893, 23621), (1027, 20539), (1081, 19513), (1501, 14053), (1817, 11609), (3713, 5681)]