21590888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2293}}^1$

素因数の和:2417

約数の個数: 32

約数和(自身を含む): 44595360

約数和(自身を除く): 23004472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2293, 2354, 4586, 4708, 9172, 9416, 18344, 25223, 50446, 100892, 201784, 245351, 490702, 981404, 1962808, 2698861, 5397722, 10795444, 21590888]

約数ペア:

[(1, 21590888), (2, 10795444), (4, 5397722), (8, 2698861), (11, 1962808), (22, 981404), (44, 490702), (88, 245351), (107, 201784), (214, 100892), (428, 50446), (856, 25223), (1177, 18344), (2293, 9416), (2354, 9172), (4586, 4708)]