21560294

素因数分解:

$2^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 16930906

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 343, 371, 593, 686, 742, 1186, 2597, 4151, 5194, 8302, 18179, 29057, 31429, 36358, 58114, 62858, 203399, 220003, 406798, 440006, 1540021, 3080042, 10780147, 21560294]

約数ペア:

[(1, 21560294), (2, 10780147), (7, 3080042), (14, 1540021), (49, 440006), (53, 406798), (98, 220003), (106, 203399), (343, 62858), (371, 58114), (593, 36358), (686, 31429), (742, 29057), (1186, 18179), (2597, 8302), (4151, 5194)]