21839896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 44296560

約数和(自身を除く): 22456664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 373, 563, 746, 1126, 1492, 2252, 2984, 4504, 4849, 7319, 9698, 14638, 19396, 29276, 38792, 58552, 209999, 419998, 839996, 1679992, 2729987, 5459974, 10919948, 21839896]

約数ペア:

[(1, 21839896), (2, 10919948), (4, 5459974), (8, 2729987), (13, 1679992), (26, 839996), (52, 419998), (104, 209999), (373, 58552), (563, 38792), (746, 29276), (1126, 19396), (1492, 14638), (2252, 9698), (2984, 7319), (4504, 4849)]