21000455294

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3919}}^1\times {\mathrm{29443}}^1$

素因数の和:33384

約数の個数: 32

約数和(自身を含む): 38781281280

約数和(自身を除く): 17780825986

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 3919, 7838, 27433, 29443, 50947, 54866, 58886, 101894, 206101, 356629, 382759, 412202, 713258, 765518, 2679313, 5358626, 115387117, 230774234, 807709819, 1500032521, 1615419638, 3000065042, 10500227647, 21000455294]

約数ペア:

[(1, 21000455294), (2, 10500227647), (7, 3000065042), (13, 1615419638), (14, 1500032521), (26, 807709819), (91, 230774234), (182, 115387117), (3919, 5358626), (7838, 2679313), (27433, 765518), (29443, 713258), (50947, 412202), (54866, 382759), (58886, 356629), (101894, 206101)]