21630392

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22721}}^1$

素因数の和:22751

約数の個数: 32

約数和(自身を含む): 49079520

約数和(自身を除く): 27449128

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22721, 45442, 90884, 159047, 181768, 318094, 386257, 636188, 772514, 1272376, 1545028, 2703799, 3090056, 5407598, 10815196, 21630392]

約数ペア:

[(1, 21630392), (2, 10815196), (4, 5407598), (7, 3090056), (8, 2703799), (14, 1545028), (17, 1272376), (28, 772514), (34, 636188), (56, 386257), (68, 318094), (119, 181768), (136, 159047), (238, 90884), (476, 45442), (952, 22721)]