21238206

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3877}}^1$

素因数の和:3976

約数の個数: 32

約数和(自身を含む): 46908288

約数和(自身を除く): 25670082

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3877, 5478, 7754, 11631, 23262, 42647, 85294, 127941, 255882, 321791, 643582, 965373, 1930746, 3539701, 7079402, 10619103, 21238206]

約数ペア:

[(1, 21238206), (2, 10619103), (3, 7079402), (6, 3539701), (11, 1930746), (22, 965373), (33, 643582), (66, 321791), (83, 255882), (166, 127941), (249, 85294), (498, 42647), (913, 23262), (1826, 11631), (2739, 7754), (3877, 5478)]