21154278194

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{97883}}^1$

素因数の和:98294

約数の個数: 32

約数和(自身を含む): 37211581440

約数和(自身を除く): 16057303246

約数列:

[1, 2, 7, 14, 43, 86, 301, 359, 602, 718, 2513, 5026, 15437, 30874, 97883, 108059, 195766, 216118, 685181, 1370362, 4208969, 8417938, 29462783, 35139997, 58925566, 70279994, 245979979, 491959958, 1511019871, 3022039742, 10577139097, 21154278194]

約数ペア:

[(1, 21154278194), (2, 10577139097), (7, 3022039742), (14, 1511019871), (43, 491959958), (86, 245979979), (301, 70279994), (359, 58925566), (602, 35139997), (718, 29462783), (2513, 8417938), (5026, 4208969), (15437, 1370362), (30874, 685181), (97883, 216118), (108059, 195766)]