21106360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47969}}^1$

素因数の和:47991

約数の個数: 32

約数和(自身を含む): 51807600

約数和(自身を除く): 30701240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47969, 95938, 191876, 239845, 383752, 479690, 527659, 959380, 1055318, 1918760, 2110636, 2638295, 4221272, 5276590, 10553180, 21106360]

約数ペア:

[(1, 21106360), (2, 10553180), (4, 5276590), (5, 4221272), (8, 2638295), (10, 2110636), (11, 1918760), (20, 1055318), (22, 959380), (40, 527659), (44, 479690), (55, 383752), (88, 239845), (110, 191876), (220, 95938), (440, 47969)]