21716144

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9907}}^1$

素因数の和:10052

約数の個数: 20

約数和(自身を含む): 42386424

約数和(自身を除く): 20670280

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9907, 19814, 39628, 79256, 158512, 1357259, 2714518, 5429036, 10858072, 21716144]

約数ペア:

[(1, 21716144), (2, 10858072), (4, 5429036), (8, 2714518), (16, 1357259), (137, 158512), (274, 79256), (548, 39628), (1096, 19814), (2192, 9907)]