21209964

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33349}}^1$

素因数の和:33409

約数の個数: 24

約数和(自身を含む): 50425200

約数和(自身を除く): 29215236

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33349, 66698, 100047, 133396, 200094, 400188, 1767497, 3534994, 5302491, 7069988, 10604982, 21209964]

約数ペア:

[(1, 21209964), (2, 10604982), (3, 7069988), (4, 5302491), (6, 3534994), (12, 1767497), (53, 400188), (106, 200094), (159, 133396), (212, 100047), (318, 66698), (636, 33349)]