21984927800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9993149}}^1$

素因数の和:9993176

約数の個数: 48

約数和(自身を含む): 55761777000

約数和(自身を除く): 33776849200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9993149, 19986298, 39972596, 49965745, 79945192, 99931490, 109924639, 199862980, 219849278, 249828725, 399725960, 439698556, 499657450, 549623195, 879397112, 999314900, 1099246390, 1998629800, 2198492780, 2748115975, 4396985560, 5496231950, 10992463900, 21984927800]

約数ペア:

[(1, 21984927800), (2, 10992463900), (4, 5496231950), (5, 4396985560), (8, 2748115975), (10, 2198492780), (11, 1998629800), (20, 1099246390), (22, 999314900), (25, 879397112), (40, 549623195), (44, 499657450), (50, 439698556), (55, 399725960), (88, 249828725), (100, 219849278), (110, 199862980), (200, 109924639), (220, 99931490), (275, 79945192), (440, 49965745), (550, 39972596), (1100, 19986298), (2200, 9993149)]