21097648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9221}}^1$

素因数の和:9253

約数の個数: 40

約数和(自身を含む): 48028176

約数和(自身を除く): 26930528

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9221, 18442, 36884, 73768, 101431, 119873, 147536, 202862, 239746, 405724, 479492, 811448, 958984, 1318603, 1622896, 1917968, 2637206, 5274412, 10548824, 21097648]

約数ペア:

[(1, 21097648), (2, 10548824), (4, 5274412), (8, 2637206), (11, 1917968), (13, 1622896), (16, 1318603), (22, 958984), (26, 811448), (44, 479492), (52, 405724), (88, 239746), (104, 202862), (143, 147536), (176, 119873), (208, 101431), (286, 73768), (572, 36884), (1144, 18442), (2288, 9221)]