21291219063

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1\times {\mathrm{1217}}^1$

素因数の和:1821

約数の個数: 64

約数和(自身を含む): 33792192000

約数和(自身を除く): 12500972937

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 509, 513, 603, 1217, 1273, 1527, 1809, 3651, 3819, 4581, 9671, 10953, 11457, 13743, 23123, 29013, 32859, 34103, 34371, 69369, 81539, 87039, 102309, 208107, 244617, 261117, 306927, 619453, 624321, 647957, 733851, 920781, 1549241, 1858359, 1943871, 2201553, 4647723, 5575077, 5831613, 11769607, 13943169, 16725231, 17494839, 35308821, 41503351, 41829507, 105926463, 124510053, 317779389, 373530159, 788563669, 1120590477, 2365691007, 7097073021, 21291219063]

約数ペア:

[(1, 21291219063), (3, 7097073021), (9, 2365691007), (19, 1120590477), (27, 788563669), (57, 373530159), (67, 317779389), (171, 124510053), (201, 105926463), (509, 41829507), (513, 41503351), (603, 35308821), (1217, 17494839), (1273, 16725231), (1527, 13943169), (1809, 11769607), (3651, 5831613), (3819, 5575077), (4581, 4647723), (9671, 2201553), (10953, 1943871), (11457, 1858359), (13743, 1549241), (23123, 920781), (29013, 733851), (32859, 647957), (34103, 624321), (34371, 619453), (69369, 306927), (81539, 261117), (87039, 244617), (102309, 208107)]