21463512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 40226088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 502, 509, 753, 1004, 1018, 1506, 1527, 1757, 2008, 2036, 3012, 3054, 3514, 3563, 4072, 5271, 6024, 6108, 7028, 7126, 10542, 10689, 12216, 14056, 14252, 21084, 21378, 28504, 42168, 42756, 85512, 127759, 255518, 383277, 511036, 766554, 894313, 1022072, 1533108, 1788626, 2682939, 3066216, 3577252, 5365878, 7154504, 10731756, 21463512]

約数ペア:

[(1, 21463512), (2, 10731756), (3, 7154504), (4, 5365878), (6, 3577252), (7, 3066216), (8, 2682939), (12, 1788626), (14, 1533108), (21, 1022072), (24, 894313), (28, 766554), (42, 511036), (56, 383277), (84, 255518), (168, 127759), (251, 85512), (502, 42756), (509, 42168), (753, 28504), (1004, 21378), (1018, 21084), (1506, 14252), (1527, 14056), (1757, 12216), (2008, 10689), (2036, 10542), (3012, 7126), (3054, 7028), (3514, 6108), (3563, 6024), (4072, 5271)]