21608678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{9133}}^1$

素因数の和:9168

約数の個数: 24

約数和(自身を含む): 40116528

約数和(自身を除く): 18507850

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 9133, 18266, 63931, 118729, 127862, 237458, 831103, 1543477, 1662206, 3086954, 10804339, 21608678]

約数ペア:

[(1, 21608678), (2, 10804339), (7, 3086954), (13, 1662206), (14, 1543477), (26, 831103), (91, 237458), (169, 127862), (182, 118729), (338, 63931), (1183, 18266), (2366, 9133)]