21044114

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 39768960

約数和(自身を除く): 18724846

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 2689, 3913, 5378, 7826, 18823, 34957, 37646, 69914, 115627, 231254, 244699, 489398, 809389, 1503151, 1618778, 3006302, 10522057, 21044114]

約数ペア:

[(1, 21044114), (2, 10522057), (7, 3006302), (13, 1618778), (14, 1503151), (26, 809389), (43, 489398), (86, 244699), (91, 231254), (182, 115627), (301, 69914), (559, 37646), (602, 34957), (1118, 18823), (2689, 7826), (3913, 5378)]