21843135

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4373}}^1$

素因数の和:4424

約数の個数: 32

約数和(自身を含む): 39890880

約数和(自身を除く): 18047745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4373, 4995, 13119, 21865, 39357, 65595, 118071, 161801, 196785, 485403, 590355, 809005, 1456209, 2427015, 4368627, 7281045, 21843135]

約数ペア:

[(1, 21843135), (3, 7281045), (5, 4368627), (9, 2427015), (15, 1456209), (27, 809005), (37, 590355), (45, 485403), (111, 196785), (135, 161801), (185, 118071), (333, 65595), (555, 39357), (999, 21865), (1665, 13119), (4373, 4995)]