21168846

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 27053874

約数列:

[1, 2, 3, 6, 9, 18, 31, 59, 62, 93, 118, 177, 186, 279, 354, 531, 558, 643, 1062, 1286, 1829, 1929, 3658, 3858, 5487, 5787, 10974, 11574, 16461, 19933, 32922, 37937, 39866, 59799, 75874, 113811, 119598, 179397, 227622, 341433, 358794, 682866, 1176047, 2352094, 3528141, 7056282, 10584423, 21168846]

約数ペア:

[(1, 21168846), (2, 10584423), (3, 7056282), (6, 3528141), (9, 2352094), (18, 1176047), (31, 682866), (59, 358794), (62, 341433), (93, 227622), (118, 179397), (177, 119598), (186, 113811), (279, 75874), (354, 59799), (531, 39866), (558, 37937), (643, 32922), (1062, 19933), (1286, 16461), (1829, 11574), (1929, 10974), (3658, 5787), (3858, 5487)]