21412496

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4663}}^1$

素因数の和:4719

約数の個数: 40

約数和(自身を含む): 48580224

約数和(自身を除く): 27167728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4663, 9326, 18652, 32641, 37304, 65282, 74608, 130564, 191183, 261128, 382366, 522256, 764732, 1338281, 1529464, 2676562, 3058928, 5353124, 10706248, 21412496]

約数ペア:

[(1, 21412496), (2, 10706248), (4, 5353124), (7, 3058928), (8, 2676562), (14, 1529464), (16, 1338281), (28, 764732), (41, 522256), (56, 382366), (82, 261128), (112, 191183), (164, 130564), (287, 74608), (328, 65282), (574, 37304), (656, 32641), (1148, 18652), (2296, 9326), (4592, 4663)]