21025533

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 31068160

約数和(自身を除く): 10042627

約数列:

[1, 3, 19, 31, 57, 73, 93, 163, 219, 489, 589, 1387, 1767, 2263, 3097, 4161, 5053, 6789, 9291, 11899, 15159, 35697, 42997, 96007, 128991, 226081, 288021, 368869, 678243, 1106607, 7008511, 21025533]

約数ペア:

[(1, 21025533), (3, 7008511), (19, 1106607), (31, 678243), (57, 368869), (73, 288021), (93, 226081), (163, 128991), (219, 96007), (489, 42997), (589, 35697), (1387, 15159), (1767, 11899), (2263, 9291), (3097, 6789), (4161, 5053)]