21695072

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4211}}^1$

素因数の和:4251

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 29253280

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4211, 5152, 8422, 16844, 29477, 33688, 58954, 67376, 96853, 117908, 134752, 193706, 235816, 387412, 471632, 677971, 774824, 943264, 1355942, 1549648, 2711884, 3099296, 5423768, 10847536, 21695072]

約数ペア:

[(1, 21695072), (2, 10847536), (4, 5423768), (7, 3099296), (8, 2711884), (14, 1549648), (16, 1355942), (23, 943264), (28, 774824), (32, 677971), (46, 471632), (56, 387412), (92, 235816), (112, 193706), (161, 134752), (184, 117908), (224, 96853), (322, 67376), (368, 58954), (644, 33688), (736, 29477), (1288, 16844), (2576, 8422), (4211, 5152)]