21000875054415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{6638903}}^1$

素因数の和:6639160

約数の個数: 64

約数和(自身を含む): 35930385782784

約数和(自身を除く): 14929510728369

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 173, 265, 345, 519, 795, 865, 1219, 2595, 3657, 3979, 6095, 9169, 11937, 18285, 19895, 27507, 45845, 59685, 137535, 210887, 632661, 1054435, 3163305, 6638903, 19916709, 33194515, 99583545, 152694769, 351861859, 458084307, 763473845, 1055585577, 1148530219, 1759309295, 2290421535, 3445590657, 5277927885, 5742651095, 8092822757, 17227953285, 24278468271, 26416195037, 40464113785, 60872101607, 79248585111, 121392341355, 132080975185, 182616304821, 304360508035, 396242925555, 913081524105, 1400058336961, 4200175010883, 7000291684805, 21000875054415]

約数ペア:

[(1, 21000875054415), (3, 7000291684805), (5, 4200175010883), (15, 1400058336961), (23, 913081524105), (53, 396242925555), (69, 304360508035), (115, 182616304821), (159, 132080975185), (173, 121392341355), (265, 79248585111), (345, 60872101607), (519, 40464113785), (795, 26416195037), (865, 24278468271), (1219, 17227953285), (2595, 8092822757), (3657, 5742651095), (3979, 5277927885), (6095, 3445590657), (9169, 2290421535), (11937, 1759309295), (18285, 1148530219), (19895, 1055585577), (27507, 763473845), (45845, 458084307), (59685, 351861859), (137535, 152694769), (210887, 99583545), (632661, 33194515), (1054435, 19916709), (3163305, 6638903)]