21788104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{547}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 44190720

約数和(自身を除く): 22402616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 547, 766, 1094, 1532, 2188, 3064, 4376, 4979, 7111, 9958, 14222, 19916, 28444, 39832, 56888, 209501, 419002, 838004, 1676008, 2723513, 5447026, 10894052, 21788104]

約数ペア:

[(1, 21788104), (2, 10894052), (4, 5447026), (8, 2723513), (13, 1676008), (26, 838004), (52, 419002), (104, 209501), (383, 56888), (547, 39832), (766, 28444), (1094, 19916), (1532, 14222), (2188, 9958), (3064, 7111), (4376, 4979)]