21322294

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 17730506

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1129, 1349, 2258, 2698, 7903, 9443, 15806, 18886, 21451, 42902, 80159, 150157, 160318, 300314, 561113, 1122226, 1523021, 3046042, 10661147, 21322294]

約数ペア:

[(1, 21322294), (2, 10661147), (7, 3046042), (14, 1523021), (19, 1122226), (38, 561113), (71, 300314), (133, 160318), (142, 150157), (266, 80159), (497, 42902), (994, 21451), (1129, 18886), (1349, 15806), (2258, 9443), (2698, 7903)]