21858498

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7937}}^1$

素因数の和:7968

約数の個数: 40

約数和(自身を含む): 51866892

約数和(自身を除く): 30008394

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7937, 15874, 23811, 47622, 71433, 134929, 142866, 214299, 269858, 404787, 428598, 642897, 809574, 1214361, 1285794, 2428722, 3643083, 7286166, 10929249, 21858498]

約数ペア:

[(1, 21858498), (2, 10929249), (3, 7286166), (6, 3643083), (9, 2428722), (17, 1285794), (18, 1214361), (27, 809574), (34, 642897), (51, 428598), (54, 404787), (81, 269858), (102, 214299), (153, 142866), (162, 134929), (306, 71433), (459, 47622), (918, 23811), (1377, 15874), (2754, 7937)]