21093496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 42224400

約数和(自身を除く): 21130904

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1901, 2774, 3802, 5548, 7604, 11096, 15208, 36119, 72238, 138773, 144476, 277546, 288952, 555092, 1110184, 2636687, 5273374, 10546748, 21093496]

約数ペア:

[(1, 21093496), (2, 10546748), (4, 5273374), (8, 2636687), (19, 1110184), (38, 555092), (73, 288952), (76, 277546), (146, 144476), (152, 138773), (292, 72238), (584, 36119), (1387, 15208), (1901, 11096), (2774, 7604), (3802, 5548)]