21465304

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9349}}^1$

素因数の和:9403

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 25658696

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9349, 18698, 37396, 65443, 74792, 130886, 261772, 383309, 523544, 766618, 1533236, 2683163, 3066472, 5366326, 10732652, 21465304]

約数ペア:

[(1, 21465304), (2, 10732652), (4, 5366326), (7, 3066472), (8, 2683163), (14, 1533236), (28, 766618), (41, 523544), (56, 383309), (82, 261772), (164, 130886), (287, 74792), (328, 65443), (574, 37396), (1148, 18698), (2296, 9349)]