21093668255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1481}}^1\times {\mathrm{15233}}^1$

素因数の和:16747

約数の個数: 32

約数和(自身を含む): 29259517248

約数和(自身を除く): 8165848993

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 1481, 7405, 15233, 16291, 25177, 76165, 81455, 125885, 167563, 258961, 276947, 837815, 1294805, 1384735, 2848571, 14242855, 22560073, 112800365, 248160803, 383521241, 1240804015, 1917606205, 4218733651, 21093668255]

約数ペア:

[(1, 21093668255), (5, 4218733651), (11, 1917606205), (17, 1240804015), (55, 383521241), (85, 248160803), (187, 112800365), (935, 22560073), (1481, 14242855), (7405, 2848571), (15233, 1384735), (16291, 1294805), (25177, 837815), (76165, 276947), (81455, 258961), (125885, 167563)]