21293104

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4637}}^1$

素因数の和:4693

約数の個数: 40

約数和(自身を含む): 48309408

約数和(自身を除く): 27016304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4637, 9274, 18548, 32459, 37096, 64918, 74192, 129836, 190117, 259672, 380234, 519344, 760468, 1330819, 1520936, 2661638, 3041872, 5323276, 10646552, 21293104]

約数ペア:

[(1, 21293104), (2, 10646552), (4, 5323276), (7, 3041872), (8, 2661638), (14, 1520936), (16, 1330819), (28, 760468), (41, 519344), (56, 380234), (82, 259672), (112, 190117), (164, 129836), (287, 74192), (328, 64918), (574, 37096), (656, 32459), (1148, 18548), (2296, 9274), (4592, 4637)]