21714693

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1033}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 39606336

約数和(自身を除く): 17891643

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1033, 1617, 1911, 3003, 3099, 7007, 7231, 11363, 13429, 21021, 21693, 34089, 40287, 50617, 79541, 94003, 147719, 151851, 238623, 282009, 443157, 556787, 658021, 1034033, 1670361, 1974063, 3102099, 7238231, 21714693]

約数ペア:

[(1, 21714693), (3, 7238231), (7, 3102099), (11, 1974063), (13, 1670361), (21, 1034033), (33, 658021), (39, 556787), (49, 443157), (77, 282009), (91, 238623), (143, 151851), (147, 147719), (231, 94003), (273, 79541), (429, 50617), (539, 40287), (637, 34089), (1001, 21693), (1033, 21021), (1617, 13429), (1911, 11363), (3003, 7231), (3099, 7007)]