21901044

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 34546956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 83, 132, 166, 249, 332, 498, 913, 996, 1826, 1999, 2739, 3652, 3998, 5478, 5997, 7996, 10956, 11994, 21989, 23988, 43978, 65967, 87956, 131934, 165917, 263868, 331834, 497751, 663668, 995502, 1825087, 1991004, 3650174, 5475261, 7300348, 10950522, 21901044]

約数ペア:

[(1, 21901044), (2, 10950522), (3, 7300348), (4, 5475261), (6, 3650174), (11, 1991004), (12, 1825087), (22, 995502), (33, 663668), (44, 497751), (66, 331834), (83, 263868), (132, 165917), (166, 131934), (249, 87956), (332, 65967), (498, 43978), (913, 23988), (996, 21989), (1826, 11994), (1999, 10956), (2739, 7996), (3652, 5997), (3998, 5478)]