21233960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48259}}^1$

素因数の和:48281

約数の個数: 32

約数和(自身を含む): 52120800

約数和(自身を除く): 30886840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48259, 96518, 193036, 241295, 386072, 482590, 530849, 965180, 1061698, 1930360, 2123396, 2654245, 4246792, 5308490, 10616980, 21233960]

約数ペア:

[(1, 21233960), (2, 10616980), (4, 5308490), (5, 4246792), (8, 2654245), (10, 2123396), (11, 1930360), (20, 1061698), (22, 965180), (40, 530849), (44, 482590), (55, 386072), (88, 241295), (110, 193036), (220, 96518), (440, 48259)]