21349448

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{6079}}^1$

素因数の和:6524

約数の個数: 16

約数和(自身を含む): 40128000

約数和(自身を除く): 18778552

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 6079, 12158, 24316, 48632, 2668681, 5337362, 10674724, 21349448]

約数ペア:

[(1, 21349448), (2, 10674724), (4, 5337362), (8, 2668681), (439, 48632), (878, 24316), (1756, 12158), (3512, 6079)]