21084063

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 41368320

約数和(自身を除く): 20284257

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 49, 51, 59, 77, 91, 119, 143, 147, 177, 187, 221, 231, 273, 357, 413, 429, 539, 561, 637, 649, 663, 767, 833, 1001, 1003, 1239, 1309, 1547, 1617, 1911, 1947, 2301, 2431, 2499, 2891, 3003, 3009, 3927, 4543, 4641, 5369, 7007, 7021, 7293, 8437, 8673, 9163, 10829, 11033, 13039, 13629, 16107, 17017, 21021, 21063, 25311, 27489, 31801, 32487, 33099, 37583, 39117, 49147, 51051, 59059, 77231, 91273, 95403, 112749, 119119, 143429, 147441, 177177, 231693, 273819, 357357, 413413, 430287, 540617, 638911, 1004003, 1240239, 1621851, 1916733, 3012009, 7028021, 21084063]

約数ペア:

[(1, 21084063), (3, 7028021), (7, 3012009), (11, 1916733), (13, 1621851), (17, 1240239), (21, 1004003), (33, 638911), (39, 540617), (49, 430287), (51, 413413), (59, 357357), (77, 273819), (91, 231693), (119, 177177), (143, 147441), (147, 143429), (177, 119119), (187, 112749), (221, 95403), (231, 91273), (273, 77231), (357, 59059), (413, 51051), (429, 49147), (539, 39117), (561, 37583), (637, 33099), (649, 32487), (663, 31801), (767, 27489), (833, 25311), (1001, 21063), (1003, 21021), (1239, 17017), (1309, 16107), (1547, 13629), (1617, 13039), (1911, 11033), (1947, 10829), (2301, 9163), (2431, 8673), (2499, 8437), (2891, 7293), (3003, 7021), (3009, 7007), (3927, 5369), (4543, 4641)]