21144344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203311}}^1$

素因数の和:203330

約数の個数: 16

約数和(自身を含む): 42695520

約数和(自身を除く): 21551176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203311, 406622, 813244, 1626488, 2643043, 5286086, 10572172, 21144344]

約数ペア:

[(1, 21144344), (2, 10572172), (4, 5286086), (8, 2643043), (13, 1626488), (26, 813244), (52, 406622), (104, 203311)]