21240454

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{4483}}^1$

素因数の和:4611

約数の個数: 16

約数和(自身を含む): 33576192

約数和(自身を除く): 12335738

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4483, 4738, 8966, 103109, 206218, 461749, 923498, 10620227, 21240454]

約数ペア:

[(1, 21240454), (2, 10620227), (23, 923498), (46, 461749), (103, 206218), (206, 103109), (2369, 8966), (4483, 4738)]