21083874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501997}}^1$

素因数の和:502009

約数の個数: 16

約数和(自身を含む): 48191808

約数和(自身を除く): 27107934

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501997, 1003994, 1505991, 3011982, 3513979, 7027958, 10541937, 21083874]

約数ペア:

[(1, 21083874), (2, 10541937), (3, 7027958), (6, 3513979), (7, 3011982), (14, 1505991), (21, 1003994), (42, 501997)]