21610270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 43047936

約数和(自身を除く): 21437666

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2767, 3905, 5534, 7810, 13835, 27670, 30437, 60874, 152185, 196457, 304370, 392914, 982285, 1964570, 2161027, 4322054, 10805135, 21610270]

約数ペア:

[(1, 21610270), (2, 10805135), (5, 4322054), (10, 2161027), (11, 1964570), (22, 982285), (55, 392914), (71, 304370), (110, 196457), (142, 152185), (355, 60874), (710, 30437), (781, 27670), (1562, 13835), (2767, 7810), (3905, 5534)]