21281296960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{863689}}^1$

素因数の和:863724

約数の個数: 112

約数和(自身を含む): 63180650880

約数和(自身を除く): 41899353920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 24640, 863689, 1727378, 3454756, 4318445, 6045823, 6909512, 8636890, 9500579, 12091646, 13819024, 17273780, 19001158, 24183292, 27638048, 30229115, 34547560, 38002316, 47502895, 48366584, 55276096, 60458230, 66504053, 69095120, 76004632, 95005790, 96733168, 120916460, 133008106, 138190240, 152009264, 190011580, 193466336, 241832920, 266016212, 276380480, 304018528, 332520265, 380023160, 386932672, 483665840, 532032424, 608037056, 665040530, 760046320, 967331680, 1064064848, 1330081060, 1520092640, 1934663360, 2128129696, 2660162120, 3040185280, 4256259392, 5320324240, 10640648480, 21281296960]

約数ペア:

[(1, 21281296960), (2, 10640648480), (4, 5320324240), (5, 4256259392), (7, 3040185280), (8, 2660162120), (10, 2128129696), (11, 1934663360), (14, 1520092640), (16, 1330081060), (20, 1064064848), (22, 967331680), (28, 760046320), (32, 665040530), (35, 608037056), (40, 532032424), (44, 483665840), (55, 386932672), (56, 380023160), (64, 332520265), (70, 304018528), (77, 276380480), (80, 266016212), (88, 241832920), (110, 193466336), (112, 190011580), (140, 152009264), (154, 138190240), (160, 133008106), (176, 120916460), (220, 96733168), (224, 95005790), (280, 76004632), (308, 69095120), (320, 66504053), (352, 60458230), (385, 55276096), (440, 48366584), (448, 47502895), (560, 38002316), (616, 34547560), (704, 30229115), (770, 27638048), (880, 24183292), (1120, 19001158), (1232, 17273780), (1540, 13819024), (1760, 12091646), (2240, 9500579), (2464, 8636890), (3080, 6909512), (3520, 6045823), (4928, 4318445), (6160, 3454756), (12320, 1727378), (24640, 863689)]