21609874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6869}}^1$

素因数の和:6906

約数の個数: 24

約数和(自身を含む): 38375820

約数和(自身を除く): 16765946

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6869, 13738, 75559, 89297, 151118, 178594, 831149, 982267, 1662298, 1964534, 10804937, 21609874]

約数ペア:

[(1, 21609874), (2, 10804937), (11, 1964534), (13, 1662298), (22, 982267), (26, 831149), (121, 178594), (143, 151118), (242, 89297), (286, 75559), (1573, 13738), (3146, 6869)]