13212990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{6991}}^1$

素因数の和:7014

約数の個数: 64

約数和(自身を含む): 40273920

約数和(自身を除く): 27060930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 6991, 13982, 20973, 34955, 41946, 48937, 62919, 69910, 97874, 104865, 125838, 146811, 188757, 209730, 244685, 293622, 314595, 377514, 440433, 489370, 629190, 734055, 880866, 943785, 1321299, 1468110, 1887570, 2202165, 2642598, 4404330, 6606495, 13212990]

約数ペア:

[(1, 13212990), (2, 6606495), (3, 4404330), (5, 2642598), (6, 2202165), (7, 1887570), (9, 1468110), (10, 1321299), (14, 943785), (15, 880866), (18, 734055), (21, 629190), (27, 489370), (30, 440433), (35, 377514), (42, 314595), (45, 293622), (54, 244685), (63, 209730), (70, 188757), (90, 146811), (105, 125838), (126, 104865), (135, 97874), (189, 69910), (210, 62919), (270, 48937), (315, 41946), (378, 34955), (630, 20973), (945, 13982), (1890, 6991)]