21071004

素因数分解:

$2^2\times 3^1\times {\mathrm{653}}^1\times {\mathrm{2689}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 49259280

約数和(自身を除く): 28188276

約数列:

[1, 2, 3, 4, 6, 12, 653, 1306, 1959, 2612, 2689, 3918, 5378, 7836, 8067, 10756, 16134, 32268, 1755917, 3511834, 5267751, 7023668, 10535502, 21071004]

約数ペア:

[(1, 21071004), (2, 10535502), (3, 7023668), (4, 5267751), (6, 3511834), (12, 1755917), (653, 32268), (1306, 16134), (1959, 10756), (2612, 8067), (2689, 7836), (3918, 5378)]