21404776

素因数分解:

$2^3\times {\mathrm{881}}^1\times {\mathrm{3037}}^1$

素因数の和:3924

約数の個数: 16

約数和(自身を含む): 40192740

約数和(自身を除く): 18787964

約数列:

[1, 2, 4, 8, 881, 1762, 3037, 3524, 6074, 7048, 12148, 24296, 2675597, 5351194, 10702388, 21404776]

約数ペア:

[(1, 21404776), (2, 10702388), (4, 5351194), (8, 2675597), (881, 24296), (1762, 12148), (3037, 7048), (3524, 6074)]