21031461

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3727}}^1$

素因数の和:3766

約数の個数: 32

約数和(自身を含む): 35788800

約数和(自身を除く): 14757339

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3727, 5643, 11181, 33543, 40997, 70813, 100629, 122991, 212439, 368973, 637317, 778943, 1106919, 1911951, 2336829, 7010487, 21031461]

約数ペア:

[(1, 21031461), (3, 7010487), (9, 2336829), (11, 1911951), (19, 1106919), (27, 778943), (33, 637317), (57, 368973), (99, 212439), (171, 122991), (209, 100629), (297, 70813), (513, 40997), (627, 33543), (1881, 11181), (3727, 5643)]