21336392

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1866

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31194808

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1823, 2926, 3646, 5852, 7292, 11704, 12761, 14584, 20053, 25522, 34637, 40106, 51044, 69274, 80212, 102088, 138548, 140371, 160424, 242459, 277096, 280742, 381007, 484918, 561484, 762014, 969836, 1122968, 1524028, 1939672, 2667049, 3048056, 5334098, 10668196, 21336392]

約数ペア:

[(1, 21336392), (2, 10668196), (4, 5334098), (7, 3048056), (8, 2667049), (11, 1939672), (14, 1524028), (19, 1122968), (22, 969836), (28, 762014), (38, 561484), (44, 484918), (56, 381007), (76, 280742), (77, 277096), (88, 242459), (133, 160424), (152, 140371), (154, 138548), (209, 102088), (266, 80212), (308, 69274), (418, 51044), (532, 40106), (616, 34637), (836, 25522), (1064, 20053), (1463, 14584), (1672, 12761), (1823, 11704), (2926, 7292), (3646, 5852)]