21038178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500909}}^1$

素因数の和:500921

約数の個数: 16

約数和(自身を含む): 48087360

約数和(自身を除く): 27049182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500909, 1001818, 1502727, 3005454, 3506363, 7012726, 10519089, 21038178]

約数ペア:

[(1, 21038178), (2, 10519089), (3, 7012726), (6, 3506363), (7, 3005454), (14, 1502727), (21, 1001818), (42, 500909)]