21084564116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{22147}}^1$

素因数の和:22461

約数の個数: 72

約数和(自身を含む): 46518241728

約数和(自身を除く): 25433677612

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 281, 308, 484, 562, 847, 1124, 1694, 1967, 3091, 3388, 3934, 6182, 7868, 12364, 21637, 22147, 34001, 43274, 44294, 68002, 86548, 88588, 136004, 155029, 238007, 243617, 310058, 476014, 487234, 620116, 952028, 974468, 1705319, 2679787, 3410638, 5359574, 6223307, 6821276, 10719148, 12446614, 18758509, 24893228, 37517018, 43563149, 68456377, 75034036, 87126298, 136912754, 174252596, 273825508, 479194639, 753020147, 958389278, 1506040294, 1916778556, 3012080588, 5271141029, 10542282058, 21084564116]

約数ペア:

[(1, 21084564116), (2, 10542282058), (4, 5271141029), (7, 3012080588), (11, 1916778556), (14, 1506040294), (22, 958389278), (28, 753020147), (44, 479194639), (77, 273825508), (121, 174252596), (154, 136912754), (242, 87126298), (281, 75034036), (308, 68456377), (484, 43563149), (562, 37517018), (847, 24893228), (1124, 18758509), (1694, 12446614), (1967, 10719148), (3091, 6821276), (3388, 6223307), (3934, 5359574), (6182, 3410638), (7868, 2679787), (12364, 1705319), (21637, 974468), (22147, 952028), (34001, 620116), (43274, 487234), (44294, 476014), (68002, 310058), (86548, 243617), (88588, 238007), (136004, 155029)]