21471492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255613}}^1$

素因数の和:255627

約数の個数: 24

約数和(自身を含む): 57257536

約数和(自身を除く): 35786044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255613, 511226, 766839, 1022452, 1533678, 1789291, 3067356, 3578582, 5367873, 7157164, 10735746, 21471492]

約数ペア:

[(1, 21471492), (2, 10735746), (3, 7157164), (4, 5367873), (6, 3578582), (7, 3067356), (12, 1789291), (14, 1533678), (21, 1022452), (28, 766839), (42, 511226), (84, 255613)]