21949144

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2347}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 47335680

約数和(自身を除く): 25386536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 2347, 4676, 4694, 9352, 9388, 16429, 18776, 32858, 65716, 131432, 391949, 783898, 1567796, 2743643, 3135592, 5487286, 10974572, 21949144]

約数ペア:

[(1, 21949144), (2, 10974572), (4, 5487286), (7, 3135592), (8, 2743643), (14, 1567796), (28, 783898), (56, 391949), (167, 131432), (334, 65716), (668, 32858), (1169, 18776), (1336, 16429), (2338, 9388), (2347, 9352), (4676, 4694)]