21910798

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 40803840

約数和(自身を除く): 18893042

約数列:

[1, 2, 7, 13, 14, 26, 91, 131, 182, 262, 917, 919, 1703, 1834, 1838, 3406, 6433, 11921, 11947, 12866, 23842, 23894, 83629, 120389, 167258, 240778, 842723, 1565057, 1685446, 3130114, 10955399, 21910798]

約数ペア:

[(1, 21910798), (2, 10955399), (7, 3130114), (13, 1685446), (14, 1565057), (26, 842723), (91, 240778), (131, 167258), (182, 120389), (262, 83629), (917, 23894), (919, 23842), (1703, 12866), (1834, 11947), (1838, 11921), (3406, 6433)]