21240498

素因数分解:

$2^1\times 3^1\times {\mathrm{179}}^1\times {\mathrm{19777}}^1$

素因数の和:19961

約数の個数: 16

約数和(自身を含む): 42720480

約数和(自身を除く): 21479982

約数列:

[1, 2, 3, 6, 179, 358, 537, 1074, 19777, 39554, 59331, 118662, 3540083, 7080166, 10620249, 21240498]

約数ペア:

[(1, 21240498), (2, 10620249), (3, 7080166), (6, 3540083), (179, 118662), (358, 59331), (537, 39554), (1074, 19777)]