21276112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 51371712

約数和(自身を除く): 30095600

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 547, 572, 748, 884, 1094, 1144, 1496, 1768, 2188, 2288, 2431, 2992, 3536, 4376, 4862, 6017, 7111, 8752, 9299, 9724, 12034, 14222, 18598, 19448, 24068, 28444, 37196, 38896, 48136, 56888, 74392, 78221, 96272, 102289, 113776, 120887, 148784, 156442, 204578, 241774, 312884, 409156, 483548, 625768, 818312, 967096, 1251536, 1329757, 1636624, 1934192, 2659514, 5319028, 10638056, 21276112]

約数ペア:

[(1, 21276112), (2, 10638056), (4, 5319028), (8, 2659514), (11, 1934192), (13, 1636624), (16, 1329757), (17, 1251536), (22, 967096), (26, 818312), (34, 625768), (44, 483548), (52, 409156), (68, 312884), (88, 241774), (104, 204578), (136, 156442), (143, 148784), (176, 120887), (187, 113776), (208, 102289), (221, 96272), (272, 78221), (286, 74392), (374, 56888), (442, 48136), (547, 38896), (572, 37196), (748, 28444), (884, 24068), (1094, 19448), (1144, 18598), (1496, 14222), (1768, 12034), (2188, 9724), (2288, 9299), (2431, 8752), (2992, 7111), (3536, 6017), (4376, 4862)]