21095494

素因数分解:

$2^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{2039}}^1$

素因数の和:2787

約数の個数: 16

約数和(自身を含む): 36230400

約数和(自身を除く): 15134906

約数列:

[1, 2, 7, 14, 739, 1478, 2039, 4078, 5173, 10346, 14273, 28546, 1506821, 3013642, 10547747, 21095494]

約数ペア:

[(1, 21095494), (2, 10547747), (7, 3013642), (14, 1506821), (739, 28546), (1478, 14273), (2039, 10346), (4078, 5173)]