21460076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 41783280

約数和(自身を除く): 20323204

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 439, 484, 878, 1111, 1756, 2222, 4444, 4829, 9658, 12221, 19316, 24442, 44339, 48884, 53119, 88678, 106238, 177356, 212476, 487729, 975458, 1950916, 5365019, 10730038, 21460076]

約数ペア:

[(1, 21460076), (2, 10730038), (4, 5365019), (11, 1950916), (22, 975458), (44, 487729), (101, 212476), (121, 177356), (202, 106238), (242, 88678), (404, 53119), (439, 48884), (484, 44339), (878, 24442), (1111, 19316), (1756, 12221), (2222, 9658), (4444, 4829)]