21747204

素因数分解:

$2^2\times 3^4\times {\mathrm{67121}}^1$

素因数の和:67137

約数の個数: 30

約数和(自身を含む): 56852334

約数和(自身を除く): 35105130

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67121, 134242, 201363, 268484, 402726, 604089, 805452, 1208178, 1812267, 2416356, 3624534, 5436801, 7249068, 10873602, 21747204]

約数ペア:

[(1, 21747204), (2, 10873602), (3, 7249068), (4, 5436801), (6, 3624534), (9, 2416356), (12, 1812267), (18, 1208178), (27, 805452), (36, 604089), (54, 402726), (81, 268484), (108, 201363), (162, 134242), (324, 67121)]