21367874

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 36892800

約数和(自身を除く): 15524926

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 349, 506, 698, 1331, 2662, 2783, 3839, 5566, 7678, 8027, 16054, 30613, 42229, 61226, 84458, 88297, 176594, 464519, 929038, 971267, 1942534, 10683937, 21367874]

約数ペア:

[(1, 21367874), (2, 10683937), (11, 1942534), (22, 971267), (23, 929038), (46, 464519), (121, 176594), (242, 88297), (253, 84458), (349, 61226), (506, 42229), (698, 30613), (1331, 16054), (2662, 8027), (2783, 7678), (3839, 5566)]