21471828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255617}}^1$

素因数の和:255631

約数の個数: 24

約数和(自身を含む): 57258432

約数和(自身を除く): 35786604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255617, 511234, 766851, 1022468, 1533702, 1789319, 3067404, 3578638, 5367957, 7157276, 10735914, 21471828]

約数ペア:

[(1, 21471828), (2, 10735914), (3, 7157276), (4, 5367957), (6, 3578638), (7, 3067404), (12, 1789319), (14, 1533702), (21, 1022468), (28, 766851), (42, 511234), (84, 255617)]