21446590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 42340320

約数和(自身を除く): 20893730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 241, 482, 809, 1205, 1618, 2410, 2651, 4045, 5302, 8090, 8899, 13255, 17798, 26510, 44495, 88990, 194969, 389938, 974845, 1949690, 2144659, 4289318, 10723295, 21446590]

約数ペア:

[(1, 21446590), (2, 10723295), (5, 4289318), (10, 2144659), (11, 1949690), (22, 974845), (55, 389938), (110, 194969), (241, 88990), (482, 44495), (809, 26510), (1205, 17798), (1618, 13255), (2410, 8899), (2651, 8090), (4045, 5302)]