21015822

素因数分解:

$2^1\times 3^1\times {\mathrm{1123}}^1\times {\mathrm{3119}}^1$

素因数の和:4247

約数の個数: 16

約数和(自身を含む): 42082560

約数和(自身を除く): 21066738

約数列:

[1, 2, 3, 6, 1123, 2246, 3119, 3369, 6238, 6738, 9357, 18714, 3502637, 7005274, 10507911, 21015822]

約数ペア:

[(1, 21015822), (2, 10507911), (3, 7005274), (6, 3502637), (1123, 18714), (2246, 9357), (3119, 6738), (3369, 6238)]