21878844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140249}}^1$

素因数の和:140269

約数の個数: 24

約数和(自身を含む): 54978000

約数和(自身を除く): 33099156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140249, 280498, 420747, 560996, 841494, 1682988, 1823237, 3646474, 5469711, 7292948, 10939422, 21878844]

約数ペア:

[(1, 21878844), (2, 10939422), (3, 7292948), (4, 5469711), (6, 3646474), (12, 1823237), (13, 1682988), (26, 841494), (39, 560996), (52, 420747), (78, 280498), (156, 140249)]