21496925560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{733}}^1\times {\mathrm{66653}}^1$

素因数の和:67408

約数の個数: 64

約数和(自身を含む): 52837958880

約数和(自身を除く): 31341033320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 733, 1466, 2932, 3665, 5864, 7330, 8063, 14660, 16126, 29320, 32252, 40315, 64504, 66653, 80630, 133306, 161260, 266612, 322520, 333265, 533224, 666530, 733183, 1333060, 1466366, 2666120, 2932732, 3665915, 5865464, 7331830, 14663660, 29327320, 48856649, 97713298, 195426596, 244283245, 390853192, 488566490, 537423139, 977132980, 1074846278, 1954265960, 2149692556, 2687115695, 4299385112, 5374231390, 10748462780, 21496925560]

約数ペア:

[(1, 21496925560), (2, 10748462780), (4, 5374231390), (5, 4299385112), (8, 2687115695), (10, 2149692556), (11, 1954265960), (20, 1074846278), (22, 977132980), (40, 537423139), (44, 488566490), (55, 390853192), (88, 244283245), (110, 195426596), (220, 97713298), (440, 48856649), (733, 29327320), (1466, 14663660), (2932, 7331830), (3665, 5865464), (5864, 3665915), (7330, 2932732), (8063, 2666120), (14660, 1466366), (16126, 1333060), (29320, 733183), (32252, 666530), (40315, 533224), (64504, 333265), (66653, 322520), (80630, 266612), (133306, 161260)]