21835185

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 36220800

約数和(自身を除く): 14385615

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 349, 485, 645, 1047, 1455, 1745, 4171, 5235, 12513, 15007, 20855, 33853, 45021, 62565, 75035, 101559, 169265, 225105, 507795, 1455679, 4367037, 7278395, 21835185]

約数ペア:

[(1, 21835185), (3, 7278395), (5, 4367037), (15, 1455679), (43, 507795), (97, 225105), (129, 169265), (215, 101559), (291, 75035), (349, 62565), (485, 45021), (645, 33853), (1047, 20855), (1455, 15007), (1745, 12513), (4171, 5235)]