21048814

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 32743296

約数和(自身を除く): 11694482

約数列:

[1, 2, 31, 62, 257, 514, 1321, 2642, 7967, 15934, 40951, 81902, 339497, 678994, 10524407, 21048814]

約数ペア:

[(1, 21048814), (2, 10524407), (31, 678994), (62, 339497), (257, 81902), (514, 40951), (1321, 15934), (2642, 7967)]